CVE-2026-84520

9.8 criticalEPSS 0.4%

Critical (9.8) in apple macos. EPSS 0.4% chance of exploitation in the next 30 days.

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-11-01)
CWE: CWE-120
Published: 2026-09-14
Modified: 2026-09-16
Record from: the NVD, synced 2026-10-19

Affected

apple:macos

References

https://support.apple.com/en-us/149035

Check your stack JSON