CVE-2026-86881
CRITICAL | Platform: tvOS | Changelog
CVE Details
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.
CVSS 3.1 Score
| Metric | Value |
|---|---|
| Base Score | 9.1 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Weakness
References
- Apple Security Advisory
- NVD Entry
- 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/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)