CVE-2026-20635: 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

Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.

— Apple

AppleEvents. An authorization issue was addressed with improved state management.

— Apple

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

— Apple

AppleMobileFileIntegrity. A parsing issue in the handling of directory paths was addressed with improved path validation.

— Apple

Credit

Amy (amys.website), Mickey Jin@@patch1t, Nathaniel Oh@@calysteon, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Tom Van Goethem, EntryHi, Johnny Franks (zeroxjf), an anonymous researcher, jioundai, Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Csaba Fitzl@@theevilbit(Iru), Google Threat Analysis Group, Asaf Cohen, George Karchemsky@@gkarchemsky(Trend Micro Zero Day Initiative), Jian Lee@@speedyfriend433, Xin'an Zhou, Juefei Pu, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy, Mathy Vanhoef, CVE-2025-59375, Noah Gregory (wts.dev), Gongyu Ma@@Mezone0, Rodolphe Brunetti@@eisw0lf(Lupus Nova), Dalibor Milanovic, Óscar García Pérez, Stanislav Jelezoglo, Kirin@@Pwnrin, Viktor Lord Härringtón, Enis Maholli (enismaholli.com), LeminLimez, Jacob Prezant (prezant.us), Wang Yu(Cyberserval), Ron Masas(BreakPoint), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), @@cloudlldb, Gergely Kalman@@gergely_kalman, Keisuke Hosoda, Ryan Dowd@@_rdowd, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Murray Mike, Chunyu Song(NorthSea), Pwn2car, CVE-2026-20622, Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, piffz, Daniel Nurkin, Al Sadman Awal, Mohamed Hamdadou & Mahran Alhazmi, Hichem Maloufi, Christian Mina, Gerson Aldaz, qwerty j0y & Ricardo Garcia, Dorian Del Valle, Zhongcheng Li(IES Red Team), Richard Hyunho Im at Route Zero Security (routezero.security)@@richeeta, Wong Wee Xiang, Loh Boon Keat, Nils Hanff @chaos.social)@@nils1729(Hasso Plattner Institute), Atul Kishor Jaiswal

Affected Software

37 affected componentsFixes available
Apple Safari<26.3
26.3
Apple WatchOS<26.3
26.3
Apple tvOS<26.3
26.3
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 visionOS<26.3
26.3
Apple Safari<26.3
Apple iPadOS<18.7.5
Apple iPadOS>=26.0<26.3
Apple iPhone OS<18.7.5
Apple iPhone OS>=26.0<26.3
Apple macOS<26.3
Apple tvOS<26.3
Apple visionOS<26.3
Apple WatchOS<26.3
Apple macOS Tahoe<26.3
26.3
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-source*
ubuntu/webkitgtk*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-opensource-src*
ubuntu/qtwebkit-source*
ubuntu/webkitgtk*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-opensource-src*
ubuntu/wpewebkit*
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk*
ubuntu/wpewebkit*
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk<2.52.3-0ubuntu0.24.04.1
2.52.3-0ubuntu0.24.04.1
ubuntu/webkit2gtk<2.52.3-0ubuntu0.25.10.1
2.52.3-0ubuntu0.25.10.1
debian/webkit2gtk
2.50.6-1~deb12u22.50.6-1~deb12u12.52.6-1~deb13u12.54.0-1~deb13u32.52.6-12.54.2-2
debian/wpewebkit<=2.38.6-1, <=2.48.3-1
2.54.2-1

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 26.3
  2. Upgrade

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

    Fixed in 18.7.5
  3. Upgrade

    Upgrade ubuntu/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.52.3-0ubuntu0.24.04.1
  4. Upgrade

    Upgrade ubuntu/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.52.3-0ubuntu0.25.10.1
  5. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.50.6-1~deb12u2Fixed in 2.50.6-1~deb12u1Fixed in 2.52.6-1~deb13u1Fixed in 2.54.0-1~deb13u3Fixed in 2.52.6-1Fixed in 2.54.2-2
  6. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.54.2-1
  7. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 26.3
  8. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 18.7.5
  9. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7.5
  10. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 26.3
  11. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 26.3
  12. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26.3
  13. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 26.3
  14. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 26.3
  15. Upgrade

    Upgrade watchOS 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 OSV·11:16 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Mar 18, 2026
Data Sourced
via Red Hat·08:19 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-20635?

CVE-2026-20635 has a critical severity level due to privacy issues and potential data exposure.

2

How do I fix CVE-2026-20635?

To fix CVE-2026-20635, upgrade affected Apple products to version 26.3 or later.

3

Which products are affected by CVE-2026-20635?

CVE-2026-20635 affects Apple iOS, iPadOS, macOS, tvOS, watchOS, visionOS, and Safari up to version 26.3.

4

Is there a workaround for CVE-2026-20635?

There are no effective workarounds for CVE-2026-20635; the best action is to apply the available update.

5

What types of vulnerabilities are addressed in CVE-2026-20635?

CVE-2026-20635 addresses privacy issues, inconsistent user interface states, and directory path parsing vulnerabilities.

Company

Resources

Contact

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