# CVE-2022-26809

Remote Procedure Call Runtime Remote Code Execution Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2022-26809
- CVSS: 9.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 90.86% (percentile 99.8)
- Unvetted proof-of-concept code on GitHub: 10 GitHub proofs of concept (first 2022-04-14)
- CISA SSVC: exploitation poc, automatable yes, technical impact total (assessed 2024-08-20)
- Published: 2022-04-15

## Affected versions

- Microsoft Windows 10 Version 1507: affected >= 10.0.10240.0 and < 10.0.10240.19265
- Microsoft Windows 10 Version 1607: affected >= 10.0.14393.0 and < 10.0.14393.5066
- Microsoft Windows 10 Version 1809: affected >= 10.0.17763.0 and < 10.0.17763.2803; >= 10.0.0 and < 10.0.17763.2803
- Microsoft Windows 10 Version 1909: affected >= 10.0.0 and < 10.0.18363.2212
- Microsoft Windows 10 Version 20H2: affected >= 10.0.0 and < 10.0.19042.1645
- Microsoft Windows 10 Version 21H1: affected >= 10.0.0 and < 10.0.19043.1645
- Microsoft Windows 10 Version 21H2: affected >= 10.0.19043.0 and < 10.0.19044.1645
- Microsoft Windows 11 version 21H2: affected >= 10.0.0 and < 10.0.22000.613
- Microsoft Windows 7: affected >= 6.1.0 and < 6.1.7601.25924
- Microsoft Windows 7 Service Pack 1: affected >= 6.1.0 and < 6.1.7601.25924
- Microsoft Windows 8.1: affected >= 6.3.0 and < 6.3.9600.20337
- Microsoft Windows Server 2008 R2 Service Pack 1: affected >= 6.1.7601.0 and < 6.1.7601.25924
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation): affected >= 6.1.7601.0 and < 6.1.7601.25924
- Microsoft Windows Server 2008 Service Pack 2: affected >= 6.0.6003.0 and < 6.0.6003.21446
- Microsoft Windows Server 2008  Service Pack 2: affected >= 6.0.6003.0 and < 6.0.6003.21446
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation): affected >= 6.0.6003.0 and < 6.0.6003.21446
- Microsoft Windows Server 2012: affected >= 6.2.9200.0 and < 6.2.9200.23679
- Microsoft Windows Server 2012 R2: affected >= 6.3.9600.0 and < 6.3.9600.20337
- Microsoft Windows Server 2012 R2 (Server Core installation): affected >= 6.3.9600.0 and < 6.3.9600.20337
- Microsoft Windows Server 2012 (Server Core installation): affected >= 6.2.9200.0 and < 6.2.9200.23679
- Microsoft Windows Server 2016: affected >= 10.0.14393.0 and < 10.0.14393.5066
- Microsoft Windows Server 2016 (Server Core installation): affected >= 10.0.14393.0 and < 10.0.14393.5066
- Microsoft Windows Server 2019: affected >= 10.0.17763.0 and < 10.0.17763.2803
- Microsoft Windows Server 2019 (Server Core installation): affected >= 10.0.17763.0 and < 10.0.17763.2803
- Microsoft Windows Server 2022: affected >= 10.0.20348.0 and < 10.0.20348.643
- Microsoft Windows Server version 20H2: affected >= 10.0.0 and < 10.0.19042.1645

A version outside these ranges is not a statement that it is unaffected.

## References

- [advisory] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.