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CVE-2025-43275VulnerabilityPublished Updated

CVE-2025-43275: 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 9.8 Critical · fixed in 15.6 : patch Apple macOS as a priority.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 15.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Apple macOSAffected
  • =0
Fixed in–

AI-suggested

1. Immediately update all affected macOS systems to the patched versions: macOS Sequoia 15.6, Sonoma 14.7.7, or Ventura 13.7.7. 2. Implement application whitelisting to restrict execution of untrusted or unknown applications that might attempt sandbox escape. 3. Employ runtime monitoring and behavioral analysis tools to detect anomalous application behavior indicative of sandbox breakout attempts. 4. Restrict network exposure of macOS systems where possible to reduce attack surface, especially for systems running older versions pending patching. 5. Conduct regular audits of installed applications and remove unnecessary or suspicious software. 6. Use endpoint detection and response (EDR) solutions configured to alert on privilege escalation and sandbox escape indicators. 7. Educate users and administrators about the risks of running untrusted applications and the importance of timely patching. 8. For high-security environments, consider additional sandboxing or containerization layers to provide defense in depth. 9. Monitor threat intelligence sources for any emerging exploit code or attack campaigns targeting this vulnerability to enable rapid response.

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to break out of its sandbox.

References

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