CVE-2026-20620: Input Validation

Published Feb 11, 2026
·
Updated

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

Other sources

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.

— MITRE

App Intents. A logic issue was addressed with improved restrictions.

— 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

Mickey Jin@@patch1t, 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, an anonymous researcher, 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), Noah Gregory (wts.dev), Pwn2car, Enis Maholli (enismaholli.com), CVE-2026-20622, 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), Ryan Dowd@@_rdowd, Johnny Franks (zeroxjf), Ron Elemans, Kenneth Chew, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Vamshi Paili, Tony Gorez for Reverse Society@@tonygo_, 이동하 (Lee Dong Ha)(SSA Lab)

Affected Software

6 affected componentsFixes available
Apple macOS Sequoia<15.7.4
15.7.4
Apple macOS Tahoe<26.3
26.3
Apple macOS Sonoma<14.8.4
14.8.4
Apple macOS>=14.0<14.8.4
Apple macOS>=15.0<15.7.4
Apple macOS>=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 15.7.4
  2. Upgrade

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

    Fixed in 26.3
  3. Upgrade

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

    Fixed in 14.8.4

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
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Updated
via Apple·12:00 AM
Affected 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.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-20620?

CVE-2026-20620 has been rated as a critical vulnerability affecting directory path parsing in certain macOS versions.

2

How do I fix CVE-2026-20620?

To fix CVE-2026-20620, you should upgrade to macOS Sequoia 15.7.4, macOS Tahoe 26.3, or macOS Sonoma 14.8.4.

3

Which versions of macOS are affected by CVE-2026-20620?

CVE-2026-20620 affects macOS Sequoia versions prior to 15.7.4, macOS Tahoe versions prior to 26.3, and macOS Sonoma versions prior to 14.8.4.

4

What is the nature of the vulnerability in CVE-2026-20620?

CVE-2026-20620 involves a parsing issue that can lead to an out-of-bounds read due to improper input handling.

5

Can CVE-2026-20620 be exploited remotely?

Yes, an attacker could potentially exploit CVE-2026-20620 remotely by sending specifically crafted inputs to the affected system.

Company

Resources

Contact

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