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CVE-2025-24255VulnerabilityPublished Updated

CVE-2025-24255: Apple macOS · An app may be able to break out of its sandbox

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 8.4 High · fixed in 15.4 : patch Apple macOS soon.

Data as of 25 Oct 2026, 19:02 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 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 15.4
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 31 Mar 2025

  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 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Apple macOSAffected
  • =0
Fixed in–

AI-suggested

To mitigate the risk posed by CVE-2025-24255, organizations and users should immediately apply the security updates provided by Apple for macOS Sequoia 15.4, Sonoma 14.7.5, and Ventura 13.7.5 or later. Since the vulnerability involves sandbox escape via file access, it is critical to ensure all macOS devices are running patched versions to benefit from the improved input validation. Beyond patching, organizations should enforce strict application whitelisting policies to limit the installation and execution of untrusted or unnecessary applications that could exploit sandbox weaknesses. Employing endpoint detection and response (EDR) solutions capable of monitoring for anomalous file access patterns and sandbox escape attempts can provide additional detection capabilities. Restricting local access to macOS systems through strong access controls, multi-factor authentication, and limiting physical access reduces the attack surface. Regular security audits and vulnerability scanning focused on macOS endpoints can help identify unpatched systems. Additionally, educating users about the risks of installing unverified software and maintaining robust backup and recovery procedures will help mitigate potential damage from exploitation. Organizations should monitor threat intelligence feeds for any emerging exploit code targeting this vulnerability to respond swiftly.

Description

A file access issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5. An app may be able to break out of its sandbox.

References

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