CVE-2026-86881 (GCVE-0-2026-86881)
Vulnerability from cvelistv5
Published
2026-09-14 20:47
Modified
2026-09-16 12:57
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • An attacker with a compromised intermediate certificate authority may be able to issue certificates with arbitrary extended key usages
Summary
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.
References
Impacted products
Vendor Product Version
Apple iOS and iPadOS Version: 0   < 26.7
Version: 0   < 27
 Create a notification for this product.
   Apple macOS Version: 0   < 15.8
Version: 0   < 26.7
Version: 0   < 27
 Create a notification for this product.
   Apple tvOS Version: 0   < 27
 Create a notification for this product.
   Apple visionOS Version: 0   < 27
 Create a notification for this product.
   Apple watchOS Version: 0   < 27
 Create a notification for this product.
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