CVE-2026-86946: A use-after-free issue was addressed with improved memory management
Source GCVE Database
Not known to be exploited · fixed in 27.2 : patch macOS soon.
Data as of 26 Oct 2026, 22:42 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in 27.2, 26.7.2, 15.8.2
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 macOS to 27.2, 26.7.2 or 15.8.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
Apply the official fixes by updating to macOS Golden Gate 27.2, macOS Sequoia 15.8.2, or macOS Tahoe 26.7.2. These updates contain the improved memory management that resolves the use-after-free issue.
Description
CVE-2026-86946 is a use-after-free vulnerability in macOS that could allow an application to cause unexpected system termination or corrupt kernel memory. The issue has been addressed with improved memory management and fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2.