Live › vulnerability › CVE-2022-22047
Go to dashboardMicrosoft Windows CSRSS (Client/Server Runtime Subsystem) has a privilege escalation flaw that lets a local user gain SYSTEM privileges. CISA lists it as actively exploited in the wild.
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 | < 10.0.10240.19360 | 10.0.10240.19360 |
| microsoft windows 10 1607 | vendor | < 10.0.14393.5246 | 10.0.14393.5246 |
| microsoft windows 10 1809 | vendor | < 10.0.17763.3165 | 10.0.17763.3165 |
| microsoft windows 10 20h2 | vendor | < 10.0.19042.1826 | 10.0.19042.1826 |
| microsoft windows 10 21h1 | vendor | < 10.0.19043.1826 | 10.0.19043.1826 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.1826 | 10.0.19044.1826 |
| microsoft windows 11 21h2 | vendor | < 10.0.22000.795 | 10.0.22000.795 |
| microsoft windows 7 | vendor | – | – |
| microsoft windows 8.1 | vendor | – | – |
| microsoft windows rt 8.1 | vendor | – | – |
| 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 | < 10.0.14393.5246 | 10.0.14393.5246 |
| microsoft windows server 2019 | vendor | < 10.0.17763.3165 | 10.0.17763.3165 |
| microsoft windows server 2022 | vendor | < 10.0.20348.825 | 10.0.20348.825 |
| microsoft windows server 20h2 | vendor | < 10.0.19042.1826 | 10.0.19042.1826 |
Unknown from the sources.
Apply the Microsoft Windows updates per vendor instructions; the specific patch KB is not stated in the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2022-22047")
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.