# CVE-2017-0143: Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability

> CVE-2017-0143: Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2017-0143
Last updated: 2025-10-21T23:55:44Z

- Published: 2017-03-17 00:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 93.3%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Known

## Description

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0144, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft Corporation: Windows SMB

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2017-0143)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2017-0143)
- [http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html](http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html)
- [http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html](http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html)
- [https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf](https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf)
- [https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf](https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf)
- [https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02](https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02)
- [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143)
- [https://www.exploit-db.com/exploits/41891/](https://www.exploit-db.com/exploits/41891/)
- [https://www.exploit-db.com/exploits/41987/](https://www.exploit-db.com/exploits/41987/)
- [https://www.exploit-db.com/exploits/43970/](https://www.exploit-db.com/exploits/43970/)
- [http://www.securityfocus.com/bid/96703](http://www.securityfocus.com/bid/96703)
- [http://www.securitytracker.com/id/1037991](http://www.securitytracker.com/id/1037991)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2017-0143 · Markdown: https://rewindex.com/cve/CVE-2017-0143.md · JSON: https://rewindex.com/api/v1/cves/CVE-2017-0143 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:44:13.854Z