CVE-2026-43765: An app may be able to modify protected parts of the file system in Apple macOS
This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to modify protected parts of the file system.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43765) affects Apple macOS and involves improper handling of symbolic links that could allow an application to modify protected parts of the file system. The issue is related to CWE-59 (Improper Link Resolution Before File Access). The vulnerability has a CVSS 3.1 base score of 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. Apple fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 by improving symlink handling.
Potential Impact
An attacker with local access and the ability to trick a user into interacting with a malicious app could modify protected parts of the file system, potentially compromising system integrity. There is no impact on confidentiality or availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
This vulnerability is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the issue. No other mitigation or temporary workaround is indicated by the vendor advisory.
CVE-2026-43765: An app may be able to modify protected parts of the file system in Apple macOS
Description
This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to modify protected parts of the file system.
CVSS v3.1
Score 5.5medium
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43765) affects Apple macOS and involves improper handling of symbolic links that could allow an application to modify protected parts of the file system. The issue is related to CWE-59 (Improper Link Resolution Before File Access). The vulnerability has a CVSS 3.1 base score of 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact. Apple fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 by improving symlink handling.
Potential Impact
An attacker with local access and the ability to trick a user into interacting with a malicious app could modify protected parts of the file system, potentially compromising system integrity. There is no impact on confidentiality or availability. No known exploits are currently reported in the wild.
Mitigation Recommendations
This vulnerability is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Users and administrators should update to these versions or later to remediate the issue. No other mitigation or temporary workaround is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.817Z
- State
- PUBLISHED
Threat ID: 6a67c1b89c2644c7f8cb0f3a
Added to database: 07/27/2026, 20:38:16 UTC
Last enriched: 07/29/2026, 23:37:19 UTC
Last updated: 09/11/2026, 07:31:53 UTC
Views: 54
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