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VulnerabilityPublished

CVE-2026-84545: Apple macOS · An app with App Sandbox restrictions may be able to escape the sandbox and execute code with root

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · fixed in 27 : patch Apple macOS soon.

Data as of 26 Oct 2026, 21:17 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch
Available – fixed in 27, 26.7.2, 15.8.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Oct 2026

  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

Upgrade Apple macOS to 27, 26.7.2 or 15.8.2.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <27
Fixed in
  • 27
ApplemacOSAffected
  • <26.7.2
Fixed in
  • 26.7.2
ApplemacOSAffected
  • <15.8.2
Fixed in
  • 15.8.2

AI-suggested

This vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2. Users and administrators should apply these official updates to remediate the issue.

Description

A use-after-free vulnerability in macOS could allow an app with App Sandbox restrictions to escape the sandbox and execute code with root privileges. This issue has been addressed with improved memory management and fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2.

References

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