VulnerabilityAnalyzed
CVE-2022-22047
Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability
KEVHIGH 7.8EPSS 18.8%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 2 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 18.77% probability · 97th percentile
- CISA KEV
- Listed 12 July 2022 · due 2 August 2022
- Weakness
- CWE-426
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 20h2 · microsoft/windows 10 21h1 · microsoft/windows 10 21h2 · microsoft/windows 11 21h2 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 20h2
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047; https://nvd.nist.gov/vuln/detail/CVE-2022-22047
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22047US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.