Elevation of Privilege Vulnerability in Windows Win32 Kernel Subsystem
CVE-2025-21367

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
11 February 2025

What is CVE-2025-21367?

The Windows Win32 Kernel Subsystem experiences a vulnerability that allows an attacker to gain elevated privileges on affected systems. By exploiting this issue, malicious actors could execute code with higher permissions than intended, potentially compromising the integrity and security of the affected Windows system. Users are advised to apply security updates provided by Microsoft to mitigate this risk.

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Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.6893

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.5487

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.5487

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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