Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Security updates
10.0.17763.8755 — https://support.microsoft.com/help/5087538
10.0.20348.5139 — https://support.microsoft.com/help/5087545
10.0.20348.5074 — https://support.microsoft.com/help/5087424
10.0.19044.7291 — https://support.microsoft.com/help/5087544
10.0.19045.7417 — https://support.microsoft.com/help/5094127
10.0.26100.32860 — https://support.microsoft.com/help/5087539
10.0.26100.32772 — https://support.microsoft.com/help/5087423
10.0.26200.8457 — https://support.microsoft.com/help/5089549
10.0.26200.8390 — https://support.microsoft.com/help/5089466
10.0.22631.7079 — https://support.microsoft.com/help/5087420
10.0.25398.2330 — https://support.microsoft.com/help/5087541
10.0.22631.7219 — https://support.microsoft.com/help/5093998
10.0.28000.2113 — https://support.microsoft.com/help/5089548
Vulnerabilities 1
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High 7.8
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Revision history
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#2
Updated an acknowledgement. This is an informational change only.
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#1
Information published.
References
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CVE-2026-33835 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33835
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss