-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-03-24-2026-1 iOS 26.4 and iPadOS 26.4
iOS 26.4 and iPadOS 26.4 addresses the following issues. Information about the security content is also available at https://support.apple.com/126792. Apple maintains a Security Releases page at https://support.apple.com/100100 which lists recent software updates with security advisories. 802.1X Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An attacker in a privileged network position may be able to intercept network traffic Description: An authentication issue was addressed with improved state management. CVE-2026-28865: Héloïse Gollier and Mathy Vanhoef (KU Leuven) Accounts Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to access sensitive user data Description: An authorization issue was addressed with improved state management. CVE-2026-28877: Rosyna Keller of Totally Not Malicious Software App Protection Available for: iPhone 11 and later Impact: An attacker with physical access to an iOS device with Stolen Device Protection enabled may be able to access biometrics-gated Protected Apps with the passcode Description: The issue was addressed with improved checks. CVE-2026-28895: Zack Tickman Audio Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing maliciously crafted web content may lead to an unexpected process crash Description: A use-after-free issue was addressed with improved memory management. CVE-2026-28879: Justin Cohen of Google Audio Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An attacker may be able to cause unexpected app termination Description: A type confusion issue was addressed with improved memory handling. CVE-2026-28822: Jex Amro Baseband Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A remote attacker may cause an unexpected app termination Description: The issue was addressed with improved checks. CVE-2026-28874: Hazem Issa, Tuan D. Hoang, and Yongdae Kim @ SysSec, KAIST Baseband Available for: iPhone 16e Impact: A remote attacker may be able to cause a denial-of-service Description: A buffer overflow was addressed with improved bounds checking. CVE-2026-28875: Tuan D. Hoang and Yongdae Kim @ KAIST SysSec Lab Calling Framework Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A remote attacker may be able to cause a denial-of-service Description: A denial-of-service issue was addressed with improved input validation. CVE-2026-28894: an anonymous researcher Clipboard Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to access sensitive user data Description: This issue was addressed with improved validation of symlinks. CVE-2026-28866: Cristian Dinca (icmd.tech) CoreMedia Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing an audio stream in a maliciously crafted media file may terminate the process Description: An out-of-bounds access issue was addressed with improved bounds checking. CVE-2026-20690: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative CoreUtils Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A user in a privileged network position may be able to cause a denial-of-service Description: A null pointer dereference was addressed with improved input validation. CVE-2026-28886: Etienne Charron (Renault) and Victoria Martini (Renault) Crash Reporter Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to enumerate a user's installed apps Description: A privacy issue was addressed by removing sensitive data. CVE-2026-28878: Zhongcheng Li from IES Red Team curl Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An issue existed in curl which may result in unintentionally sending sensitive information via an incorrect connection Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org. CVE-2025-14524 DeviceLink Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to access sensitive user data Description: A parsing issue in the handling of directory paths was addressed with improved path validation. CVE-2026-28876: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs GeoServices Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to access sensitive user data Description: An information leakage was addressed with additional validation. CVE-2026-28870: XiguaSec iCloud Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to enumerate a user's installed apps Description: A permissions issue was addressed with additional restrictions. CVE-2026-28880: Zhongcheng Li from IES Red Team CVE-2026-28833: Zhongcheng Li from IES Red Team ImageIO Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing a maliciously crafted file may lead to unexpected app termination Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org. CVE-2025-64505 Kernel Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to disclose kernel memory Description: A logging issue was addressed with improved data redaction. CVE-2026-28868: 이동하 (Lee Dong Ha of BoB 0xB6) Kernel Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to leak sensitive kernel state Description: This issue was addressed with improved authentication. CVE-2026-28867: Jian Lee (@speedyfriend433) Kernel Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to cause unexpected system termination or corrupt kernel memory Description: The issue was addressed with improved memory handling. CVE-2026-20698: DARKNAVY (@DarkNavyOrg) Kernel Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to cause unexpected system termination or write kernel memory Description: A use after free issue was addressed with improved memory management. CVE-2026-20687: Johnny Franks (@zeroxjf) libxpc Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to enumerate a user's installed apps Description: This issue was addressed with improved checks. CVE-2026-28882: Ilias Morad (A2nkF) of Voynich Group, Duy Trần (@khanhduytran0), @hugeBlack Mail Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: "Hide IP Address" and "Block All Remote Content" may not apply to all mail content Description: A privacy issue was addressed with improved handling of user preferences. CVE-2026-20692: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs Printing Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to break out of its sandbox Description: A path handling issue was addressed with improved validation. CVE-2026-20688: wdszzml and Atuin Automated Vulnerability Discovery Engine Sandbox Profiles Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to fingerprint the user Description: A permissions issue was addressed with additional restrictions. CVE-2026-28863: Gongyu Ma (@Mezone0) Security Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A local attacker may gain access to user's Keychain items Description: This issue was addressed with improved permissions checking. CVE-2026-28864: Alex Radocea Siri Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An attacker with physical access to a locked device may be able to view sensitive user information Description: The issue was addressed with improved authentication. CVE-2026-28856: an anonymous researcher Telephony Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory Description: A buffer overflow was addressed with improved bounds checking. CVE-2026-28858: Hazem Issa and Yongdae Kim @ SysSec, KAIST UIFoundation Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: An app may be able to cause a denial-of-service Description: A stack overflow was addressed with improved input validation. CVE-2026-28852: Caspian Tarafdar WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced Description: This issue was addressed through improved state management. WebKit Bugzilla: 304951 CVE-2026-20665: webb WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing maliciously crafted web content may bypass Same Origin Policy Description: A cross-origin issue in the Navigation API was addressed with improved input validation. WebKit Bugzilla: 306050 CVE-2026-20643: Thomas Espach WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Visiting a maliciously crafted website may lead to a cross-site scripting attack Description: A logic issue was addressed with improved checks. WebKit Bugzilla: 305859 CVE-2026-28871: @hamayanhamayan WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: Processing maliciously crafted web content may lead to an unexpected process crash Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 306136 CVE-2026-20664: Daniel Rhea, Söhnke Benedikt Fischedick (Tripton), Emrovsky & Switch, Yevhen Pervushyn WebKit Bugzilla: 307723 CVE-2026-28857: Narcis Oliveras Fontàs, Söhnke Benedikt Fischedick (Tripton), Daniel Rhea, Nathaniel Oh (@calysteon) WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A malicious website may be able to access script message handlers intended for other origins Description: A logic issue was addressed with improved state management. WebKit Bugzilla: 307014 CVE-2026-28861: Hongze Wu and Shuaike Dong from Ant Group Infrastructure Security Team WebKit Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A malicious website may be able to process restricted web content outside the sandbox Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 308248 CVE-2026-28859: greenbynox, Arni Hardarson WebKit Sandboxing Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later Impact: A maliciously crafted webpage may be able to fingerprint the user Description: An authorization issue was addressed with improved state management. WebKit Bugzilla: 306827 CVE-2026-20691: Gongyu Ma (@Mezone0) Additional recognition Accessibility We would like to acknowledge Abhay Kailasia (@abhay_kailasia) from Safran Mumbai India, Jacob Prezant (prezant.us) for their assistance. AirPort We would like to acknowledge Yashar Shahinzadeh, Saman Ebrahimnezhad, Amir Safari, Omid Rezaii for their assistance. App Protection We would like to acknowledge Andr.Ess for their assistance. Bluetooth We would like to acknowledge Hamid Mahmoud for their assistance. Captive Network We would like to acknowledge Kun Peeks (@SwayZGl1tZyyy) for their assistance. CipherML We would like to acknowledge Nils Hanff (@[email protected]) of Hasso Plattner Institute for their assistance. CloudAttestation We would like to acknowledge Suresh Sundaram, Willard Jansen for their assistance. CoreUI We would like to acknowledge Peter Malone for their assistance. Find My We would like to acknowledge Salemdomain for their assistance. GPU Drivers We would like to acknowledge Jian Lee (@speedyfriend433) for their assistance. ICU We would like to acknowledge Jian Lee (@speedyfriend433) for their assistance. Kernel We would like to acknowledge DARKNAVY (@DarkNavyOrg), Kylian Boulard De Pouqueville From Fuzzinglabs, Patrick Ventuzelo From Fuzzinglabs, Robert Tran, Suresh Sundaram for their assistance. libarchive We would like to acknowledge Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs, Arni Hardarson for their assistance. libc We would like to acknowledge Vitaly Simonovich for their assistance. Libnotify We would like to acknowledge Ilias Morad (@A2nkF_) for their assistance. LLVM We would like to acknowledge Nathaniel Oh (@calysteon) for their assistance. mDNSResponder We would like to acknowledge William Mather for their assistance. Messages We would like to acknowledge JZ for their assistance. MobileInstallation We would like to acknowledge Gongyu Ma (@Mezone0) for their assistance. Music We would like to acknowledge Mohammad Kaif (@_mkahmad | kaif0x01) for their assistance. NetworkExtension We would like to acknowledge Jianfeng Chen from yq12260 of Intretech for their assistance. Notes We would like to acknowledge Dawuge of Shuffle Team and Hunan University for their assistance. Notifications We would like to acknowledge Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain College of Technology Bhopal India for their assistance. ppp We would like to acknowledge Dave G. for their assistance. Quick Look We would like to acknowledge Wojciech Regula of SecuRing (wojciechregula.blog), an anonymous researcher for their assistance. Safari We would like to acknowledge @RenwaX23, Bikesh Parajuli, Farras Givari, Syarif Muhammad Sajjad, Yair for their assistance. Safari Private Browsing We would like to acknowledge Jaime Gallego Matud for their assistance. Shortcuts We would like to acknowledge Waleed Barakat (@WilDN00B) and Paul Montgomery (@nullevent) for their assistance. Siri We would like to acknowledge Anand Mallaya, Tech consultant, Anand Mallaya and Co., Harsh Kirdolia, Hrishikesh Parmar of Self-Employed for their assistance. Spotlight We would like to acknowledge Bilge Kaan Mızrak, Claude & Friends: Risk Analytics Research Group, Zack Tickman for their assistance. Status Bar We would like to acknowledge Sahel Alemi for their assistance. Telephony We would like to acknowledge Xue Zhang, Yi Chen for their assistance. Time Zone We would like to acknowledge Abhay Kailasia (@abhay_kailasia) from Safran Mumbai India for their assistance. UIKit We would like to acknowledge AEC, Abhay Kailasia (@abhay_kailasia) from Safran Mumbai India, Ben Gallagher, Bishal Kafle (@whoisbishal.k), Carlos Luna (U.S. Department of the Navy), Dalibor Milanovic, Daren Goodchild, JS De Mattei, Maxwell Garn, Zack Tickman, fuyuu12, incredincomp for their assistance. Wallet We would like to acknowledge Zhongcheng Li from IES Red Team of ByteDance for their assistance. Web Extensions We would like to acknowledge Carlos Jeurissen, Rob Wu (robwu.nl) for their assistance. WebKit We would like to acknowledge Vamshi Paili, greenbynox, and an anonymous researcher for their assistance. WebKit Process Model We would like to acknowledge Joseph Semaan for their assistance. Wi-Fi We would like to acknowledge Kun Peeks (@SwayZGl1tZyyy), an anonymous researcher for their assistance. Wi-Fi Connectivity We would like to acknowledge Alex Radocea of Supernetworks, Inc for their assistance. Widgets We would like to acknowledge Marcel Voß, Mitul Pranjay, Serok Çelik for their assistance. This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/ iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device. The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device. To check that the iPhone, iPod touch, or iPad has been updated: * Navigate to Settings * Select General * Select About. The version after applying this update will be "iOS 26.4 and iPadOS 26.4". All information is also posted on the Apple Security Releases web site: https://support.apple.com/100100. This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEhjkl+zMLNwFiCT1o4Ifiq8DH7PUFAmnDIfsACgkQ4Ifiq8DH 7PWZ+g/9GRIyZ8Chn6AwCKsy3+99VNUyLMyW7RHBvrTunRqbfx7ZYiin7Pn5wHI6 IFsHINpCTl0Hr6PaAGiy9PS0mlwPdk6tmtVX5pBp1y83UMAuXCaTZsxaHpStjGJZ FqxCaISoFu76rTRHm4EJeMF3sUVB0L9vicU2P2tymk7SnADZVL681MOvxe1RN0UT rKOZEudWi8k7f3ZPNSagvOzF9DWyphYzNVHQ48siodWJLDhLVKapVETIRiVAIwCL OOrrBrqST+alexQiLGWfRr5QZmvm5XzAMrVAF+kvV0EMlpJ9Me6+NF/tf+wthDOR dS9RdE3BeOEWodTHuLlzvNOfN5udFU/oXW3luD0dO0AAnOcYCzsp7qERVtp5KSq7 6tkb2BdcAbSGklcr/eZaMvJeFDYkRi5vs4D2CYZlOsoJY0oiKiP3arW7SBqyRAyO QHfQ+GaunI7mL4JWI3hgafyuYz/ChB61yccd1XqV0ew00z3Xu2U11niu28wvym58 5kfGl2GjXGhwWszIH0SvFNtTEAxZisYr1yVgqSzAUcD/ri1EOkOn7D9spucWNzRU hZ89X9kePALp2nqWV5gy0XmfI472ifQg/cePMRI94WFOWL9IEEkOiRm+5aueG5ca UiayQKHkWW2NgLKFrQgknFd7oGNF5V7NEdnsxxMW3ahCGm71yck= =SUWe -----END PGP SIGNATURE----- _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
