High severity7.8CISA KEVNVD Advisory· Published Jan 14, 2025· Updated Jun 17, 2026
CVE-2025-21333
CVE-2025-21333
Description
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
- Range: 10.0.22631.0
10.0.22631.0+ 3 more
- (no CPE)range: 10.0.22631.0
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*range: <10.0.22621.4751
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*range: <10.0.22631.4751
- (no CPE)range: 10.0.22621.0
10.0.26100.0+ 1 more
- (no CPE)range: 10.0.26100.0
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*range: <10.0.26100.2894
10.0.26100.0+ 1 more
- (no CPE)range: 10.0.26100.0
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*range: <10.0.26100.2894
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*+ 3 more
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*range: <10.0.19044.5371
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*range: <10.0.19045.5371
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:*Range: <10.0.25398.1369
Patches
Vulnerability mechanics
References
5- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333nvdPatchVendor Advisory
- www.exploit-db.com/exploits/52436nvdExploitThird Party AdvisoryVDB Entry
- www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-scriptnvdMitigationThird Party Advisory
- www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-scriptnvdMitigationThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
0No linked articles in our index yet.