CVE-2022-26809
Remote Procedure Call Runtime Remote Code Execution Vulnerability
- Published
- Apr 15, 2022
- Updated
- Jan 2, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Remote Procedure Call Runtime Remote Code Execution Vulnerability
Sources
8Proof-of-concept exploit for CVE-2022-26809, a Windows RPC runtime integer overflow vulnerability. Includes trigger scripts using PetitPotam-style UNC path coercion against lsass.exe and a fake SMB server for exploitation testing.
- CVE-2022-26810Exploit
Remote code execution exploit for CVE-2022-26809 targeting Windows RPC heap buffer overflow with msfvenom shellcode integration and meterpreter reverse shell payload delivery.
- CVE-2022-26809Exploit
Remote Code Execution Exploit in the RPC Library
Responsible use
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