Microsoft · SMBv1
CVE-2017-0145
Microsoft SMBv1 Remote Code Execution Vulnerability
What it is
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-2017-0143, CVE-2017-0144, CVE-2017-0146, and CVE-2017-0148.
CISA: The SMBv1 server in multiple Microsoft Windows versions allows remote attackers to execute arbitrary code via crafted packets.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: August 10, 2022
- Added to the CISA list
- February 10, 2022
- Published
- March 17, 2017
- Severity
- High 8.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 90% in the top 0.2% of all known vulnerabilities
- Weakness
- CWE-20
- More details
- NVD · CVE.org · CISA
All references (10)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0145
- https://www.exploit-db.com/exploits/41891/
- http://www.securitytracker.com/id/1037991
- http://www.securityfocus.com/bid/96705
- https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
- https://www.exploit-db.com/exploits/41987/
- https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf
- http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html
- http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Feb 10, 2022 | Remote Code Execution | SMBv1 | High 8.8 | 99.2% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| Aug 26, 2026 | Remote Code Execution | SQL Server | High 8.8 | 57% |
| Aug 18, 2026 | Double Free | Internet Key Exchange (IKE) Service Extensions | Critical 9.8 | 77% |
| Aug 18, 2026 | Weak Authentication | SharePoint | Critical 9.1 | 70% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.