[ CVE-2026-86981 · Published 20 Oct 2026 ]
Vulnerability in Apple macOS
CVSS 5.5
EPSS <1%No fix listed yet
[ Description ]Official description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.