Elevation of Privilege in Windows Cloud Files Mini Filter Driver by Microsoft
CVE-2026-58536

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Windows 11 Version 24h2
Vendor
CVE Published:
14 July 2026

What is CVE-2026-58536?

A vulnerability within the Windows Cloud Files Mini Filter Driver can be exploited to achieve elevation of privileges by an authorized attacker. This exploitation occurs due to a use after free scenario, which can allow attackers to execute arbitrary code with elevated permissions on the system. Proper updates and patches are recommended to mitigate potential risks associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9020

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7548

Windows 10 Version 22H2 32-bit Systems 10.0.19045.0 < 10.0.19045.7548

References

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

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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