CVE-2024-40811: Apple macOS · An app may be able to modify protected parts of the file system
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 8.4 High · fixed in 14.6 : patch Apple macOS soon.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 14.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2024-40811, organizations should immediately update all macOS devices to version Sonoma 14.6 or later, where the vulnerability is patched with improved access control checks. Beyond patching, organizations should enforce strict endpoint security policies including application whitelisting to prevent unauthorized apps from executing. Employing robust local access controls and limiting user permissions can reduce the risk of exploitation. Monitoring and logging file system changes on critical macOS systems can help detect suspicious activity indicative of exploitation attempts. Additionally, implementing network segmentation and restricting physical and remote access to macOS endpoints will minimize the attack surface. Security teams should also educate users about the risks of running untrusted applications and maintain up-to-date backups to recover from potential system compromise. Regular vulnerability assessments and penetration testing focused on local privilege escalation vectors can help identify and remediate similar weaknesses proactively.
Description
The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6. An app may be able to modify protected parts of the file system.