CVE-2025-21333
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
KEVHIGH 7.8EPSS 10.0%
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
- Affected
- Microsoft · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 22H2 · Windows 11 version 22H3 · Windows 11 Version 23H2 · Windows 11 Version 24H2
- CVSS v3.1 MICROSOFT
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 9.99% chance of exploitation in the next 30 days, 96th percentile
- CISA KEV
- added 2025-01-14
- Published
- 2025-01-14
- Updated
- 2026-06-09
Proof-of-concept exploits (5)
- MrAle98/CVE-2025-21333-POC232★ · 2025-04-12
- aleongx/KQL_sentinel_CVE-2025-213330★ · 2025-03-11
- nu1lptr0/CVE-2025-2133323★ · 2026-05-05
- uname1able/CVE-2025-213330★ · 2026-07-16
- winmin/awesome-vm-escape617★ · 2026-03-18
ExploitDB entries (1)
Security advisories
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-wind…
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-wind…