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

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

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

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.7.5
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.3
  3. Upgrade

    Upgrade iOS/iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7.5
  4. Upgrade

    Upgrade iOS/iPadOS to a version that resolves this vulnerability.

    Fixed in 26.3

Event History

Feb 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected 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.

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.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203