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HIGH · 7.8

CVE-2025-59187

Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.

Vulnerability Description

Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.21161
MicrosoftWindows 10 1607< 10.0.14393.8519
MicrosoftWindows 10 1809< 10.0.17763.7919
MicrosoftWindows 10 21H2< 10.0.19044.6456
MicrosoftWindows 10 22H2< 10.0.19045.6456
MicrosoftWindows 11 22H2< 10.0.22621.6060
MicrosoftWindows 11 23H2< 10.0.22631.6060
MicrosoftWindows 11 24H2< 10.0.26100.6899
MicrosoftWindows 11 25H2< 10.0.26200.6899
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.8519
MicrosoftWindows Server 2019< 10.0.17763.7919
MicrosoftWindows Server 2022< 10.0.20348.4294
MicrosoftWindows Server 2022 23H2< 10.0.25398.1913
MicrosoftWindows Server 2025< 10.0.26100.6899

Related Weaknesses (CWE)

CWE-20CWE-822

References

FAQ

What is CVE-2025-59187?

CVE-2025-59187 is a vulnerability with a CVSS score of 7.8 (HIGH). Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-59187?

CVE-2025-59187 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-59187?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.