CVE-2026-20646: Input Validation

Published Feb 11, 2026
·
Updated

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to read sensitive location information.

Other sources

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

AppleMobileFileIntegrity. An injection issue was addressed with improved validation.

— Apple

Credit

Mickey Jin@@patch1t, Noah Gregory (wts.dev), Johnny Franks (zeroxjf), an anonymous researcher, Ryan Dowd@@_rdowd, jioundai, Amy (amys.website), @@cloudlldb, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), 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, Murray Mike, 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, CVE-2025-59375, Ron Masas(BreakPoint), Chunyu Song(NorthSea), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Pwn2car, Enis Maholli (enismaholli.com), Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Gongyu Ma@@Mezone0, LeminLimez, Nathaniel Oh@@calysteon, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Tom Van Goethem, EntryHi, Wang Yu(Cyberserval)

Affected Software

2 affected componentsFixes available
Apple macOS Tahoe<26.3
26.3
Apple macOS<26.3

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
Description
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-2026-20646?

The severity of CVE-2026-20646 is considered critical due to the potential exposure of sensitive location information.

2

How do I fix CVE-2026-20646?

To fix CVE-2026-20646, update your macOS Tahoe to version 26.3 or later.

3

What type of vulnerability is CVE-2026-20646?

CVE-2026-20646 is a logging issue that allows malicious apps to read sensitive location information.

4

Which versions of macOS are affected by CVE-2026-20646?

CVE-2026-20646 affects all versions of macOS Tahoe prior to 26.3.

5

What can happen if I don't address CVE-2026-20646?

If CVE-2026-20646 is not addressed, malicious applications may gain unauthorized access to sensitive location data.

Company

Resources

Contact

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