CVE-2026-86974 json
A type confusion issue was addressed with improved checks.
published 2026-10-26 13 d ago modified 2026-11-04 4 d ago also EUVD-2026-110170
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
A type confusion issue was addressed with improved checks. 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, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.
Patch / fix
- Apple Safari 27.2
- Apple iOS and iPadOS 26.7.2, 27.2
- Apple macOS 27.2
- Apple visionOS 27.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 d ago
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Apple Safari
- Apple iOS and iPadOS
- Apple macOS
- Apple visionOS
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
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/149526
release-notes, vendor-advisory
-
support.apple.com
/en-us/149527
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-86974
- NVD CVE-2026-86974
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