EUVD-2026-77867
GHSA-85f4-mm6j-54x7
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
5DescriptionCVE.org
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.
AnalysisAI
An out-of-bounds write in Apple macOS lets a malicious or compromised app running as a normal, unprivileged user corrupt memory and escalate to root privileges on the affected system. The flaw is fixed in macOS Golden Gate 27, macOS Tahoe 26.7, and macOS Sequoia 15.8; all earlier releases of those branches remain exposed (CWE-787, CVSS 7.8, AV:L/PR:L/UI:N). …
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today