CVE-2026-28855: Use After Free

Published Feb 11, 2026
·
Updated

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3. An app may be able to access protected user data.

Other sources

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

— Apple

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

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), Mickey Jin@@patch1t, Ryan Dowd@@_rdowd, @@cloudlldb, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Murray Mike, Chunyu Song(NorthSea), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Pwn2car, Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir

Affected Software

9 affected componentsFixes available
Apple iOS<26.3
Apple iPadOS<26.3
Apple macOS Tahoe<26.3
Apple iOS<26.3
26.3
Apple iPadOS<26.3
26.3
Apple macOS Tahoe<26.3
26.3
Apple iPadOS<26.3
Apple iPhone OS<26.3
Apple macOS>=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
DescriptionWeaknessAffected Software
Mar 25, 2026
CVE Published
via MITRE·12:32 AM
Data Sourced
via MITRE·12:32 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
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-2026-28855?

CVE-2026-28855 is considered a high severity vulnerability due to its ability to allow unauthorized access to protected user data.

2

How do I fix CVE-2026-28855?

To fix CVE-2026-28855, update your devices to iOS 26.3, iPadOS 26.3, or macOS Tahoe 26.3.

3

Which software is affected by CVE-2026-28855?

CVE-2026-28855 affects Apple iOS versions prior to 26.3, Apple iPadOS versions prior to 26.3, and macOS Tahoe versions prior to 26.3.

4

What type of issue is CVE-2026-28855?

CVE-2026-28855 is classified as a permissions issue that allows potential unauthorized access to protected user data.

5

Can CVE-2026-28855 affect my personal data?

Yes, CVE-2026-28855 poses a risk to personal data stored on affected devices if not patched.

Company

Resources

Contact

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