CVE-2026-20655: Use After Free

Published Feb 11, 2026
·
Updated

Accessibility. A privacy issue was addressed by removing sensitive data.

Other sources

Accessibility. An inconsistent user interface issue was addressed with improved state management.

— Apple

An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. An attacker with physical access to a locked device may be able to view sensitive user information.

— MITRE

AppleKeyStore. A use after free issue was addressed with improved memory management.

— Apple

Bluetooth. A denial-of-service issue was addressed with improved validation.

— Apple

Books. A path handling issue was addressed with improved validation.

— Apple

Credit

Wong Wee Xiang, Loh Boon Keat, Jacob Prezant (prezant.us), Johnny Franks (zeroxjf), an anonymous researcher, jioundai, Nils Hanff @chaos.social)@@nils1729(Hasso Plattner Institute), Amy (amys.website), Atul Kishor Jaiswal, Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Csaba Fitzl@@theevilbit(Iru), Gergely Kalman@@gergely_kalman, Google Threat Analysis Group, Kirin@@Pwnrin, Asaf Cohen, George Karchemsky@@gkarchemsky(Trend Micro Zero Day Initiative), Jian Lee@@speedyfriend433, Keisuke Hosoda, Xin'an Zhou, Juefei Pu, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy, Mathy Vanhoef, Zhongcheng Li(IES Red Team), CVE-2025-59375, Richard Hyunho Im at Route Zero Security (routezero.security)@@richeeta, Ron Masas(BreakPoint), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Dalibor Milanovic, Noah Gregory (wts.dev), Óscar García Pérez, Stanislav Jelezoglo, Viktor Lord Härringtón, Enis Maholli (enismaholli.com), Gongyu Ma@@Mezone0, LeminLimez, Nathaniel Oh@@calysteon, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Tom Van Goethem, EntryHi, Wang Yu(Cyberserval), piffz, Daniel Nurkin, Al Sadman Awal, Mohamed Hamdadou & Mahran Alhazmi, Hichem Maloufi, Christian Mina, Gerson Aldaz, qwerty j0y & Ricardo Garcia, Dorian Del Valle, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Mickey Jin@@patch1t, @@cloudlldb

Affected Software

8 affected componentsFixes available
Apple iOS<26.3
26.3
Apple iPadOS<26.3
26.3
Apple iOS<18.7.5
18.7.5
Apple iPadOS<18.7.5
18.7.5
Apple iPadOS<18.7.5
Apple iPadOS>=26.0<26.3
Apple iPhone OS<18.7.5
Apple iPhone OS>=26.0<26.3

Event History

Feb 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·10:58 PM
Data Sourced
via MITRE·10:58 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-20655?

CVE-2026-20655 is classified as a privacy and authorization issue affecting multiple versions of iOS and iPadOS.

2

How do I fix CVE-2026-20655?

To mitigate CVE-2026-20655, upgrade your device to iOS 26.3 or iPadOS 26.3, or to iOS 18.7.5 or iPadOS 18.7.5.

3

What types of issues does CVE-2026-20655 address?

CVE-2026-20655 addresses privacy, inconsistent user interface, and authorization issues through improved state management.

4

Which Apple products are affected by CVE-2026-20655?

CVE-2026-20655 affects Apple devices running specific earlier versions of iOS and iPadOS up to 26.3 and 18.7.5.

5

When was CVE-2026-20655 reported?

CVE-2026-20655 was reported as part of updates made to enhance security and user interface in Apple's software.

Company

Resources

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