CVE-2026-84496: Apple macOS · Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel
Affects Apple macOSSource CVE Database V5
Not known to be exploited : upgrade to 27.2 or 26.7.2 soon.
Data as of 26 Oct 2026, 21:27 UTC
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
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 27.2 or 26.7.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
The vulnerability is fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2. Users and administrators should update to these versions or later to remediate the issue.
Description
CVE-2026-84496 is an out-of-bounds write vulnerability in macOS that could be triggered by mounting a maliciously crafted disk image. This may lead to unexpected system termination or corruption of kernel memory. The issue has been fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.