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VulnerabilityPublished

CVE-2026-84604: A stack buffer overflow was addressed through improved input validation

Source GCVE Database

0
Authoritative record:CVE-2026-84604

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

Data as of 26 Oct 2026, 22:45 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 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

Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8.2, or macOS Tahoe 26.7.2. No other mitigation is indicated by the vendor advisory.

Description

A stack buffer overflow vulnerability in macOS was addressed by improved input validation. The flaw could allow processing of a maliciously crafted audit file to corrupt process memory. Fixed versions include macOS Golden Gate 27, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2.

References

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