CVE-2017-0146

KEVRansomware UseMicrosoft Windows SMB Remote Code Execution Vulnerability

Description

The SMBv1 server in Microsoft Windows allows remote attackers to perform remote code execution.

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-2017-0145, and CVE-2017-0148.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

PublishedMar 17, 2017

Last modifiedJun 17, 2026

Added to KEVMar 25, 2022

Remediation dueApr 15, 2022

References

packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.htmlExploitThird Party Advisory
packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.htmlExploitThird Party Advisory
securityfocus.com/bid/96707Broken LinkThird Party Advisory
securitytracker.com/id/1037991Broken LinkThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-701903.pdfThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-966341.pdfThird Party Advisory
ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party AdvisoryUS Government Resource
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0146PatchVendor Advisory
exploit-db.com/exploits/41891/ExploitThird Party Advisory
exploit-db.com/exploits/41987/ExploitThird Party Advisory
exploit-db.com/exploits/43970/ExploitThird Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0146US Government Resource

0 recent articles mention this CVE

Risk assessment · Critical

Actively exploited and used by ransomware crews. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1655 days
Ransomware: Used in known ransomware campaigns
CVSS: 8.8 HIGH
EPSS (30-day exploit probability): 89.8% · top 1% of all CVEs
Weakness: NVD-CWE-noinfo
Attack vector: Network, remotely reachable

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.