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VulnerabilityPublished

CVE-2026-84496: An out-of-bounds write issue was addressed with improved bounds checking

Source GCVE Database

0
Authoritative record:CVE-2026-84496· High

Not known to be exploited : upgrade to 27.2 or 26.7.2 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 27.2, 26.7.2

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 27.2 or 26.7.2.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <27.2
Fixed in
  • 27.2
ApplemacOSAffected
  • <26.7.2
Fixed in
  • 26.7.2

AI-suggested

Apply the official fixes by updating to macOS Golden Gate 27.2 or macOS Tahoe 26.7.2, where the vulnerability has been addressed with improved bounds checking.

Description

An out-of-bounds write vulnerability in macOS was fixed by improving bounds checking. Exploiting this flaw by mounting a maliciously crafted disk image could cause unexpected system termination or corrupt kernel memory. The issue is resolved in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.

References

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