CVE-2026-86946 json
A use-after-free issue was addressed with improved memory management.
published 2026-10-26 13 d ago modified 2026-11-03 5 d ago also EUVD-2026-110213
- cvss
- 7.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.
Patch / fix
- Apple macOS 15.8.2, 26.7.2, 27.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 d ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.7 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| CNA | 3.1 | 7.7 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/en-us/149521
release-notes, vendor-advisory
-
support.apple.com
/en-us/149522
release-notes, vendor-advisory
-
support.apple.com
/en-us/149523
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-86946
- NVD CVE-2026-86946
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.