Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
MSRC compact vulnerability detail
CVE-2026-20857 · Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Signals
Windows Cloud Files Mini Filter Driver
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Unlikely
CWE
Patch Diff
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Resolved binary override
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Description
Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could gain specific limited SYSTEM privileges.