Windows 10 Version 1607 vulnerability

What happened

Insufficient granularity of access control in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

Affected versions

Windows 10 Version 1607: 10.0.14393.0 through before 10.0.14393.9612 (custom); 10.0.17763.0 through before 10.0.17763.9376 (custom); 6.2.9200.0 through before 6.2.9200.26434 (custom); 6.3.9600.0 through before 6.3.9600.23470 (custom); 10.0.20348.0 through before 10.0.20348.5761 (custom); 10.0.26100.0 through before 10.0.26100.33650 (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.