CVE-2026-28860

HIGH

iOS and iPadOS < 18.7.7 - Local Keychain State Modification via Improper Input Validation

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 30.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (14)
Apple/iOS and iPadOS < 18.7.7
Apple/iOS and iPadOS < 26.4
apple/ipados < 18.7.7
apple/iphone_os < 18.7.7
Apple/macOS < 14.8.5
Apple/macOS < 15.7.5
Apple/macOS < 26.4
apple/macos 14.0 - 14.8.5
Apple/tvOS < 26.4
apple/tvos < 26.4
... and 4 more
Published May 11, 2026
Tracked Since May 12, 2026