#VU107258 Heap-based buffer overflow in Windows and Windows Server - CVE-2025-27478
Published: April 9, 2025
Vulnerability identifier: #VU107258
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-27478
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Windows Local Security Authority (LSA). A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.