Improper Access Control in Windows Storage VSP Driver
CVE-2025-64673

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:
9 December 2025

What is CVE-2025-64673?

The Windows Storage VSP Driver contains an improper access control vulnerability that allows an authorized attacker to elevate privileges locally. This flaw could enable attackers with sufficient system access to gain higher-level permissions, potentially compromising the integrity and security of affected systems. It is crucial for users to apply the latest security updates to mitigate this risk.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.8146

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.6691

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.6691

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

JSON
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CVE-2025-64673 : Improper Access Control in Windows Storage VSP Driver