Known Exploited Vulnerability

CVE-2017-0144

Microsoft SMBv1 Remote Code Execution Vulnerability

Ransomware campaign 331 public exploits Added 10 Feb 2022 Due 10 Aug 2022 · 1458 days ago

VendorMicrosoft

ProductSMBv1

WeaknessCWE-20

RansomwareKnown use

What the flaw is

The SMBv1 server in multiple Microsoft Windows versions allows remote attackers to execute arbitrary code via crafted packets.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply updates per vendor instructions.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

331 public repositories referencing this CVE have been catalogued on GitHub. That volume usually means a reliable, widely-reproduced exploit. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 331. Full list in the trickest/cve dataset.

Vendor advisories

nvd.nist.gov/vuln/detail/CVE-2017-0144

Primary sources

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Source: CISA KEV catalog · last verified August 6, 2026. Rebuilt automatically twice a day.