CVE-2025-21333
Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
7.8
CVSS 3.1
10.0 %
EPSS (current)
2025-01-14
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / Windows
Published: 2025-01-14 · Due (CISA): 2025-02-04
CWE: CWE-122 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| exploitdb | 52436 | Microsoft Windows Server 2025 Hyper-V NT Kernel Integration VSP - Elevation of Privilege | 2025-09-16 |
References only — no downloads or instructions.