Windows Server 2012 vulnerability

What happened

Incorrect default permissions in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

Affected versions

Windows Server 2012: 6.2.9200.0 through before 6.2.9200.26434 (custom); 6.3.9600.0 through before 6.3.9600.23470 (custom); 10.0.14393.0 through before 10.0.14393.9612 (custom); 10.0.17763.0 through before 10.0.17763.9376 (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.