CVE-2020-0796 — Microsoft SMBv3 Remote Code Execution Vulnerability

CVE-2020-0796

CRITICAL · CVSS 10 ⚠ KEV — EXPLOITED

EPSS exploitation probability: 100%

⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.

Published 2022-02-10 · Last modified 2026-08-12T05:17:28.620

Summary

A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.

Affected products

Microsoft — SMBv3

Does this affect you?

Add your gear to cvedb and we'll alert you only when Microsoft ships something exploited.

Check my exposure →

References

NVD entry
CVE.org record

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.