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 breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected products
- apple / iOS and iPadOS0 – 26.7
- apple / iOS and iPadOS0 – 27
- apple / ipados26.7
- apple / iphone_os26.7
- apple / macos15.0 – 15.8
- apple / macos0 – 15.8
- apple / macos0 – 26.7
- apple / macos0 – 27
- apple / tvos0 – 27
- apple / tvos27.0
- apple / visionos0 – 27
- apple / visionos27.0
- apple / watchos27.0
- apple / watchos0 – 27
References
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149034
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149035
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149036
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149037
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149038
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149041
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149042
- VENDOR_ADVISORYhttps://support.apple.com/en-us/149043
Updated 14m ago · 8 sources