PT-2025-50166 · Microsoft · Windows Client-Side Caching (Csc) Service+1

Published 2025-12-09 · Updated 2025-12-10 · CVE-2025-62466

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Client-Side Caching (CSC) Service (affected versions not specified)

Description A flaw exists in the Windows Client-Side Caching (CSC) Service that could allow an attacker to gain higher-level permissions on a system. The issue involves a null pointer dereference. An authorized attacker can exploit this to elevate privileges locally.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-15490

CVE-2025-62466

Affected Products

Windows

Windows Client-Side Caching (Csc) Service

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-62466 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62466 · Security Note
• https://osv.dev/vulnerability/CVE-2025-62466 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62466 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-15490 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-62466 · Vendor Advisory
• https://twitter.com/CVEnew/status/1998781377450246399 · Twitter Post