CVE-2026-20616: Apple macOS libusd_ms Alembic File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Feb 11, 2026
·
Updated

Accessibility. An inconsistent user interface issue was addressed with improved state management.

Other sources

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

— Apple

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. Processing a maliciously crafted USD file may lead to unexpected app termination.

— MITRE

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

Wong Wee Xiang, Loh Boon Keat, piffz, Daniel Nurkin, Al Sadman Awal, Mohamed Hamdadou & Mahran Alhazmi, Hichem Maloufi, Christian Mina, Gerson Aldaz, qwerty j0y & Ricardo Garcia, Dorian Del Valle, Amy (amys.website), Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, George Karchemsky@@gkarchemsky(Trend Micro Zero Day Initiative), 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, an anonymous researcher, Ron Masas(BreakPoint), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Google Threat Analysis Group, Mickey Jin@@patch1t, Noah Gregory (wts.dev), Óscar García Pérez, Stanislav Jelezoglo, Viktor Lord Härringtón, Enis Maholli (enismaholli.com), Gongyu Ma@@Mezone0, LeminLimez, @@cloudlldb, Dalibor Milanovic, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Nathaniel Oh@@calysteon, EntryHi, Wang Yu(Cyberserval), Ryan Dowd@@_rdowd, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Csaba Fitzl@@theevilbit(Iru), Gergely Kalman@@gergely_kalman, Ron Elemans, Murray Mike, 이동하 (Lee Dong Ha)(SSA Lab), Chunyu Song(NorthSea), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Johnny Franks (zeroxjf), jioundai, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Kirin@@Pwnrin, Asaf Cohen, Jian Lee@@speedyfriend433, Keisuke Hosoda, Pwn2car, Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Tom Van Goethem

Affected Software

11 affected componentsFixes available
Apple visionOS<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 macOS Sonoma<14.8.4
14.8.4
Apple iPadOS<18.7.5
Apple iPhone OS<18.7.5
Apple macOS>=14.0<14.8.4
Apple macOS>=26.0<26.3
Apple visionOS<26.3
Apple macOS

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
CVE Published
via MITRE·10:58 PM
Data Sourced
via MITRE·10:58 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Mar 16, 2026
Advisory Published
via ZDI·02:34 PM
Data Sourced
via ZDI·02:34 PM
DescriptionSeverityAffected 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-2026-20616?

CVE-2026-20616 has been categorized with severity due to issues such as inconsistent user interface and out-of-bounds write vulnerabilities.

2

How do I fix CVE-2026-20616?

To fix CVE-2026-20616, update your affected Apple software to the latest version as specified in the security advisories.

3

Which Apple products are affected by CVE-2026-20616?

CVE-2026-20616 affects the Apple visionOS, macOS Tahoe, iOS, iPadOS, and macOS Sonoma versions listed in the advisory.

4

What type of issues does CVE-2026-20616 address?

CVE-2026-20616 addresses an inconsistent user interface, a parsing issue in directory paths, and an out-of-bounds write issue.

5

When was CVE-2026-20616 addressed?

CVE-2026-20616 was addressed in the security updates for the affected Apple software versions.

Company

Resources

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