Kernel Streaming Driver Elevation of Privilege Vulnerability in Microsoft Products
CVE-2025-21375

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

Summary

An elevation of privilege vulnerability exists in the Windows Kernel Streaming WOW Thunk Service Driver, allowing an attacker to execute arbitrary code at a higher privilege level. Successfully exploiting this vulnerability could enable an authenticated user to gain elevated access to system resources, which may lead to further exploitation and compromise of the system.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20915

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7785

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.6893

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

.