CVE-2025-43527: Input Validation

Published Dec 12, 2025
·
Updated

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to gain root privileges.

Other sources

App Store. A permissions issue was addressed with additional restrictions.

— Apple

AppleJPEG. The issue was addressed with improved bounds checks.

— Apple

AppleMobileFileIntegrity. A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

— Apple

AppleMobileFileIntegrity. A permissions issue was addressed with additional restrictions.

— Apple

AppleMobileFileIntegrity. The issue was addressed by adding additional logic.

— Apple

Credit

Michael Reeves@@IntegralPilot, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), an anonymous researcher, Jex Amro, Wojciech Regula(SecuRing), Riley Walz, CVE-2024-7264, CVE-2025-9086, Yiğit Ocak, Noah Gregory (wts.dev), Andrew Calvano(Meta Product Security), Lucas Pinheiro(Meta Product Security), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Kaitao Xie(Alibaba Group), Xiaolong Bai(Alibaba Group), CVE-2025-5918, Rosyna Keller(Totally Not Malicious Software), Haoling Zhou(SecLab of The Ohio State University), Shixuan Zhao@@NSKernel(SecLab of The Ohio State University), Chao Wang@@evi0s(SecLab of The Ohio State University), Zhiqiang Lin(SecLab of The Ohio State University), Mickey Jin@@patch1t, Amy@@asentientbot, Gergely Kalman@@gergely_kalman, Kay Belardinelli (Harvard University), floeki(IES Red Team of ByteDance), Zhongcheng Li(IES Red Team of ByteDance), Ron Elemans, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Duy Trần@@khanhduytran0, Csaba Fitzl@@theevilbit(Iru), Kenneth Chew, Google Threat Analysis Group, Atul R V, an anonymous researcher(Technische Hochschule Ingolstadt), Michael Schmutzer(Technische Hochschule Ingolstadt), @@retsew0x01, Kirin@@Pwnrin, Iván Savransky, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), (Indiana University Bloomington), Luyi Xing(Indiana University Bloomington), Morris Richman@@morrisinlife, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Nan Wang@@eternalsakura13, Google Big Sleep, Phil Pizlo(Epic Games), Apple, 이동하 (Lee Dong Ha(BoB 14th)

Affected Software

3 affected componentsFixes available
Apple macOS Tahoe<26.2
26.2
Apple macOS Sequoia<15.7.3
15.7.3
Apple macOS<15.7.3

Event History

Dec 12, 2025
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
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·08:56 PM
Data Sourced
via MITRE·08:56 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 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-2025-43527?

CVE-2025-43527 is considered a high severity vulnerability due to its potential to allow applications to gain root privileges.

2

How do I fix CVE-2025-43527?

To fix CVE-2025-43527, update to macOS Sequoia 15.7.3 or later and ensure your device is running the latest security patches.

3

What systems are affected by CVE-2025-43527?

CVE-2025-43527 affects macOS Sequoia versions up to 15.7.3 and macOS Tahoe versions up to 26.2.

4

What type of issue is CVE-2025-43527?

CVE-2025-43527 is categorized as a permissions issue that has been addressed with additional restrictions.

5

Can CVE-2025-43527 be exploited remotely?

CVE-2025-43527 can potentially be exploited locally, as it allows an app to gain elevated privileges on the affected systems.

Company

Resources

Contact

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