Windows Network File System Remote Code Execution Vulnerability
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Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-11. NVD baseline CVSS 9.8; sources differ by 0.0.
Windows Network File System Remote Code Execution Vulnerability
May 10, 2022
January 2, 2025
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26937Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26937Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
POC Of CVE-2022-26937
Open source ↗Windows Network File System Crash PoC
Open source ↗A Zeek package to detect CVE-2022-26937, a vulnerability in the Network Lock Manager (NLM) protocol in Windows NFS server.
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-26937
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