CVE-2026-28992
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS...
- Published
- May 11, 2026
- Updated
- May 12, 2026
- Assigning CNA
- apple
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HLow · next 30 days
- Percentile
- 4.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker may be able to cause unexpected app termination.
Sources
2UAF and AOP coprocessor panic in IOHIDEventServiceFastPathUserClient. No entitlements, reachable from app sandbox.
CVE-2026-28992 IOHIDFamily FastPathUserClient race condition PoC — security research
Responsible use
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