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CVE-2025-43364VulnerabilityPublished Updated

CVE-2025-43364: 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 7.8 High · fixed in 15.7 : patch Apple macOS soon.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 15.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Nov 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 CVE-2025-43364, organizations should immediately update all macOS systems to versions Sequoia 15.7, Sonoma 14.8, or Tahoe 26.1 or later, where the vulnerability is fixed. Beyond patching, implement strict application whitelisting and sandboxing policies to limit the execution of untrusted or unnecessary applications. Employ endpoint detection and response (EDR) tools to monitor for anomalous behaviors indicative of sandbox escape attempts, such as unusual inter-process communications or privilege escalations. Educate users about the risks of running untrusted software and the importance of user interaction in exploitation scenarios. Restrict local access to macOS systems by enforcing strong physical security and limiting user permissions to the minimum necessary. Regularly audit and review installed applications and their sandbox permissions to reduce the attack surface. Consider deploying macOS security features like System Integrity Protection (SIP) and Apple’s notarization requirements to further harden the environment. Finally, maintain an incident response plan tailored to macOS environments to quickly address any exploitation attempts.

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26.1. An app may be able to break out of its sandbox.

References

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