CVE-2025-21333

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21333
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333 Patch Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script Mitigation Third Party Advisory
https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script Mitigation Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
History

03 Apr 2025, 20:58

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
References () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script - () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script - Mitigation, Third Party Advisory
References () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script - () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script - Mitigation, Third Party Advisory

07 Mar 2025, 17:15

Type Values Removed Values Added
References
  • () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script -
  • () https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script -
CVSS v2 : unknown
v3 : 7.8 		v2 : unknown
v3 : unknown

15 Jan 2025, 20:57

Type Values Removed Values Added
First Time Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
Microsoft windows 10 22h2
Microsoft windows 10 21h2
Microsoft windows 11 22h2
Microsoft
Microsoft windows 11 23h2
Microsoft windows 11 24h2
CPE cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
CWE CWE-122 NVD-CWE-noinfo
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333 - Patch, Vendor Advisory

14 Jan 2025, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-01-14 18:15

Updated : 2025-04-03 20:58

NVD link : CVE-2025-21333

Mitre link : CVE-2025-21333

JSON object : View

Products Affected

microsoft

  • windows_10_21h2
  • windows_11_22h2
  • windows_11_24h2
  • windows_server_2022_23h2
  • windows_10_22h2
  • windows_11_23h2
  • windows_server_2025
CWE
NVD-CWE-noinfo