Description
An issue with signature validation was addressed with improved checks. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An attacker in a privileged network position may be able to impersonate a Kerberos KDC.
Affected products
apple: ipados; apple: iphone os; apple: macos; apple: tvos; apple: visionos; apple: watchos
References5
- support.apple.com/en-us/149230 Vendor Advisory
- support.apple.com/en-us/149521 Vendor Advisory
- support.apple.com/en-us/149524 Vendor Advisory
- support.apple.com/en-us/149525 Vendor Advisory
- support.apple.com/en-us/149526 Vendor Advisory
Metrics
- CVSS 3.1
-
6.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - EPSS — exploit probability
- 0% percentile: 32 · as of 8 November 2026
- CWE
- CWE-347
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.