Live › vulnerability › CVE-2023-23376
Go to dashboardMicrosoft Windows' Common Log File System (CLFS) driver has a flaw that lets a local user escalate privileges. Exploitation in the wild is confirmed and the tag indicates ransomware use, so an attacker with a foothold on a Windows machine can gain SYSTEM rights.
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 | – | – |
| microsoft windows 10 1507 | vendor | < 10.0.10240.19747 | 10.0.10240.19747 |
| microsoft windows 10 1607 | vendor | < 10.0.14393.5717 | 10.0.14393.5717 |
| microsoft windows 10 1809 | vendor | < 10.0.17763.4010 | 10.0.17763.4010 |
| microsoft windows 10 20h2 | vendor | < 10.0.19042.2604 | 10.0.19042.2604 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.2604 | 10.0.19044.2604 |
| microsoft windows 10 22h2 | vendor | < 10.0.19045.2604 | 10.0.19045.2604 |
| microsoft windows 11 21h2 | vendor | < 10.0.22000.1574 | 10.0.22000.1574 |
| microsoft windows 11 22h2 | vendor | < 10.0.22621.1265 | 10.0.22621.1265 |
| microsoft windows server 2008 | vendor | – | – |
| microsoft windows server 2008 | vendor | = r2 | – |
| microsoft windows server 2012 | vendor | – | – |
| microsoft windows server 2012 | vendor | = r2 | – |
| microsoft windows server 2016 | vendor | < 10.0.14393.5717 | 10.0.14393.5717 |
| microsoft windows server 2019 | vendor | < 10.0.17763.4010 | 10.0.17763.4010 |
| microsoft windows server 2022 | vendor | < 10.0.20348.1540 | 10.0.20348.1540 |
Unknown from the sources.
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-2023-23376")
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