CVE-2026-84520

EUVD-2026-77997
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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.62%
Affected Products (NVD)
VendorProductVersion
applemacos
𝑥
< 27.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/149035