CVE-2026-28860
HIGH severity · CVSS 7.5 · Improper input validation
7.5CVSS HIGH
Summary
The issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A local attacker may be able to modify the state of the Keychain.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://support.apple.com/en-us/126792Advisory
- https://support.apple.com/en-us/126793Advisory
- https://support.apple.com/en-us/126794Advisory
- https://support.apple.com/en-us/126795Advisory
- https://support.apple.com/en-us/126796Advisory
- https://support.apple.com/en-us/126797Advisory
- https://support.apple.com/en-us/126798Advisory
- https://support.apple.com/en-us/126799Advisory