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MSRC compact vulnerability detail

CVE-2025-54894 · Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

No description was published by MSRC.

Severity
Important
Impact
Elevation of Privilege
CVSS
7.8 base · 6.8 temporal
Release
2025-09-09
Signals
Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-122: Heap-based Buffer Overflow
Patch Diff
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Resolved binary override
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Description
No description was published by MSRC.
FAQ / Articles
Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.