CVE-2026-70149 | Microsoft Windows up to Server 2025 Client Side Caching csc.sys information disclosure

October 13, 2026 Yanac

A vulnerability was found in Microsoft Windows. It has been classified as problematic. Affected by this issue is some unknown functionality of the file csc.sys of the component Client Side Caching. This manipulation causes information disclosure.

This vulnerability is tracked as CVE-2026-70149. The attack is restricted to local execution. No exploit exists.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More