Windows 10 Version 1607 vulnerability

What happened

Null pointer dereference in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.

Affected versions

Windows 10 Version 1607: 10.0.14393.0 through before 10.0.14393.8688 (custom); 10.0.17763.0 through before 10.0.17763.8146 (custom); 10.0.19044.0 through before 10.0.19044.6691 (custom); 10.0.19045.0 through before 10.0.19045.6691 (custom); 10.0.22631.0 through before 10.0.22631.6345 (custom); 10.0.26100.0 through before 10.0.26100.7462 (custom); 10.0.26200.0 through before 10.0.26200.7462 (custom); 6.1.7601.0 through before 6.1.7601.28064 (custom); 6.0.6003.0 through before 6.0.6003.23666 (custom); 6.2.9200.0 through before 6.2.9200.25815 (custom); 6.3.9600.0 through before 6.3.9600.22920 (custom); 10.0.20348.0 through before 10.0.20348.4529 (custom); 10.0.25398.0 through before 10.0.25398.2025 (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.