What happened
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Affected versions
Windows 10 Version 1809: 10.0.17763.0 through before 10.0.17763.9245 (custom); 10.0.19044.0 through before 10.0.19044.7725 (custom); 10.0.19045.0 through before 10.0.19045.7725 (custom); 10.0.22631.0 through before 10.0.22631.7582 (custom); 10.0.26100.0 through before 10.0.26100.9445 (custom); 10.0.26200.0 through before 10.0.26200.9445 (custom); 10.0.28000.0 through before 10.0.28000.2954 (custom); 10.0.20348.0 through before 10.0.20348.5622 (custom); 10.0.26100.0 through before 10.0.26100.33438 (custom) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.