Windows 10 1809
CVE-2026-20857
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Cloud Files Mini Filter Driver contains an unsafe pointer dereference vulnerability that enables authenticated local users to achieve privilege escalation on affected Windows versions including Windows 10 1809, Windows 11, and Windows Server 2022. An attacker with valid credentials can exploit this flaw to gain elevated system privileges without user interaction. No patch is currently available for this high-severity vulnerability.
Technical ContextAI
Affects Windows 10 1809. Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
RemediationAI
Monitor vendor advisories for a patch.
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External POC / Exploit Code
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