CVEvulnerability
CVE-2026-86881
9.1 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-14
- Last modified
- 2026-09-16
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-295
Description
A certificate validation issue was addressed with improved certificate validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An attacker with a compromised intermediate certificate authority may be able to issue certificates with arbitrary extended key usages.
Affected configurations
• apple ipados (< 26.7)
• apple iphone os (< 26.7)
• apple macos (>= 15.0 < 15.8)
• apple macos (>= 26.0 < 26.7)
• apple tvos (< 27.0)
• apple visionos (< 27.0)
• apple watchos (< 27.0)
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://support.apple.com/en-us/149034 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149035 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149036 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149037 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149038 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149041 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149042 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149043 Release Notes, Vendor Advisory