CVE-2026-20644: 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, 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), 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, 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), @@cloudlldb, 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

Affected Software

14 affected componentsFixes available
Apple visionOS<26.3
26.3
Apple iOS<26.3
26.3
Apple iPadOS<26.3
26.3
Apple macOS Tahoe<26.3
26.3
Apple iOS<18.7.5
18.7.5
Apple iPadOS<18.7.5
18.7.5
Apple Safari<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 visionOS<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 26.3
  2. Upgrade

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

    Fixed in 18.7.5
  3. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 26.3
  4. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 18.7.5
  5. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7.5
  6. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 26.3
  7. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 26.3
  8. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 26.3
  9. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 26.3
  10. Remove

    Remove vulnerable code from your environment.

    Remove the vulnerable code (the material states: "This issue was addressed by removing the vulnerable code"), as applicable to the affected component(s).

Event History

Feb 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
CVE Published
via MITRE·10:59 PM
Data Sourced
via MITRE·10:59 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Mar 18, 2026
Data Sourced
via Red Hat·08:21 PM
DescriptionSeverityAffected Software
Jan 23, 58467
Event
via NVD·09:37 PM

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-2026-20644?

CVE-2026-20644 is classified as a moderate severity vulnerability affecting multiple Apple products.

2

How do I fix CVE-2026-20644?

To fix CVE-2026-20644, users should update to the latest versions of the affected Apple software, specifically to or above version 26.3 or 18.7.5, depending on the product.

3

Which products are affected by CVE-2026-20644?

CVE-2026-20644 affects several Apple products, including visionOS, iOS, iPadOS, macOS Tahoe, and Safari.

4

What issues does CVE-2026-20644 address?

CVE-2026-20644 addresses a privacy issue, inconsistent user interface issues, and a parsing issue related to directory path handling.

5

Is CVE-2026-20644 a zero-day vulnerability?

No, CVE-2026-20644 is not considered a zero-day vulnerability as there are available patches to resolve the issues.

Company

Resources

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