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CVE-2025-21334

nvd nist
Published: Jan 14, 2025Modified: Oct 27, 2025CISA KEV

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Affected (10)

Microsoft
7 products
Windows 10 21h2
Windows 10 22h2
Windows 11 22h2
Windows 11 23h2
Windows 11 24h2
Windows Server 2022 23h2
Windows Server 2025
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Windows 10 21h2
Before 10.0.19044.5371
Windows 10 22h2
Before 10.0.19045.5371
Microsoft
Windows 11 22h2
Before 10.0.22621.4751
Windows 11 22h2
Before 10.0.22621.4751
Microsoft
Windows 11 23h2
Before 10.0.22631.4751
Windows 11 23h2
Before 10.0.22631.4751
Microsoft
Windows 11 24h2
Before 10.0.26100.2894
Windows 11 24h2
Before 10.0.26100.2894
Windows Server 2022 23h2
Before 10.0.25398.1369
Windows Server 2025
Before 10.0.26100.2894

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (2)

Source: secure@microsoft.com
PatchVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.