CVE-2025-21333 Microsoft Windows

Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges.

CVSS: not scored

CWE-122

On CISA’s exploited list

Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability

Added: 2025-01-14
Federal patch deadline: 2025-02-04
Ransomware use: not known

NVD CVE.org All exploited vulnerabilities