Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Jul 12, 2022 · Catalog

   Detected

   Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

2. Jul 12, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Aug 2, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

Affected

• cpe microsoft/windows 10 1507version unspecified
• cpe microsoft/windows 10 1607version unspecified
• cpe microsoft/windows 10 1809version unspecified
• cpe microsoft/windows 10 20h2version unspecified
• cpe microsoft/windows 10 21h1version unspecified
• cpe microsoft/windows 10 21h2version unspecified
• cpe microsoft/windows 11 21h2version unspecified
• cpe microsoft/windows 7version unspecified
• vendor Microsoft Windowsversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2022-22047

  Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

  cisa.gov
• CVE.orgVulnerability recordCVE-2022-22047

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2022-22047

  30-day exploitation probability 18.8%

  first.org
• NIST NVDVulnerability recordCVE-2022-22047

  Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

  nvd.nist.gov

References

• CISA note · msrc.microsoft.com
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov