Live › vulnerability › CVE-2022-24521
Go to dashboardMicrosoft Windows Common Log File System (CLFS) driver has a privilege escalation flaw that lets a local user gain higher privileges. It is listed in CISA's known-exploited catalog and is tagged as used in ransomware campaigns.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
Check the installed Windows build and whether the April 2022 cumulative update (or later) is applied, using winver or Get-HotFix in PowerShell; the sources do not give the exact KB number.
Apply the Microsoft security update for CVE-2022-24521 per vendor instructions; the sources do not name the specific patch or fixed build.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Common Log File System (CLFS) Driver contains an unspecified vulnerability that allows for privilege escalation.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2022-24521")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.