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VulnerabilityPublished Updated

CVE-2024-40811: Apple macOS · An app may be able to modify protected parts of the file system

Affects Apple macOSSource CVE Database V5

0

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

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Apple macOSAffected
  • =0
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.

References

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