CVE-2026-86907 json
An authorization issue was addressed with improved entitlement checks.
published 2026-10-20 20 d ago modified 2026-11-03 5 d ago also EUVD-2026-104714
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
An authorization issue was addressed with improved entitlement checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app with admin privileges may be able to modify the System Keychain.
Patch / fix
- Apple macOS 15.8, 26.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 d ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
support.apple.com
/en-us/149042
vendor-advisory, release-notes
-
support.apple.com
/en-us/149043
vendor-advisory, release-notes
Sources
- CVE List CVE-2026-86907
- NVD CVE-2026-86907
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.