Apple Macos — CVE-2026-65381 (Critical)
Critical vendor advisory
CVE-2026-65381
Summary
A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A malicious app may be able to break out of its sandbox.
Why it matters
This CVE carries a CRITICAL severity rating (CVSS 10.0) in Apple Macos. Patch or mitigate promptly. EPSS percentile: 9%.
Operator check
Review CVE-2026-65381 in your asset inventory. Apply patches per vendor guidance and verify Macos is not exposed. CVSS score: 10.0. EPSS probability: 0.2%; percentile: 9%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.