Microsoft Windows Client-Side Caching Privilege Escalation Vulnerability

Vulnerability

A null pointer dereference vulnerability has been identified in the Windows Client-Side Caching (CSC) Service. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper handling of null pointers, which can be exploited to gain higher-level permissions, potentially leading to unauthorized actions or access within the system.

Impact

Exploitation of this vulnerability could allow an attacker to gain SYSTEM privileges.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked within the security update guide.

Added: Dec 9, 2025, 10:47 PM
Updated: Dec 9, 2025, 10:47 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.3
remediation
7.7
relevance
1.3
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.