CVE-2026-86973 json
An out-of-bounds read was addressed with improved bounds checking.
published 2026-10-26 13 d ago modified 2026-11-04 4 d ago also EUVD-2026-110199
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Patch / fix
- Apple Safari 27.2
- Apple iOS and iPadOS 26.7.2, 27.2
- Apple macOS 27.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 d ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected products
- Apple Safari
- Apple iOS and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.apple.com
/en-us/149227
release-notes, vendor-advisory
-
support.apple.com
/en-us/149230
release-notes, vendor-advisory
-
support.apple.com
/en-us/149521
release-notes, vendor-advisory
-
support.apple.com
/en-us/149527
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-86973
- NVD CVE-2026-86973
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.