Threat Intelligence / CVE / CVE-2017-0144

CVE-2017-0144 — Microsoft Corporation Windows SMB

CISA KEVRansomware
CVSS v3.1 8.8 (HIGH) · EPSS 99.2% (higher than 99.9% of all scored CVEs) · Priority 10/10 · Published 2017-03-17

As of 2026-08-14, CVE-2017-0144 is a HIGH-severity vulnerability in Microsoft Corporation Windows SMB, CVSS v3.1 8.8, EPSS 99.2% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), with a US federal remediation deadline of 2022-08-10, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2017-0144, most recently “Sality P2P Botnet Dismantled After 23 Years by CrowdStrike, FBI, DOJ, and a Europol-Led International Coalition”.

Last updated: 2026-08-14

What is CVE-2017-0144?

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-2017-0145, CVE-2017-0146, and CVE-2017-0148.

Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 3476 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
99.2% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
CISA KEV
Listed since 2022-02-10, federal remediation deadline 2022-08-10 — used in known ransomware campaigns
Threadlinqs priority
10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
Published
2017-03-17, last modified 2026-08-14

Is CVE-2017-0144 being exploited?

CISA added CVE-2017-0144 to the Known Exploited Vulnerabilities catalog on 2022-02-10, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-08-10 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2017-0144 is publicly available. 11 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 43 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2017-0144

The record marks a vendor fix as available for CVE-2017-0144. Patch reference: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0144. Vendor advisory: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0144. Because CVE-2017-0144 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-08-10. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2017-0144

2 tracked threats in the Threadlinqs corpus reference CVE-2017-0144, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Exploit and proof of concept

Vulnerability database entry

Other references

Full detection coverage & IOCs for threats exploiting CVE-2017-0144 are available via the Threadlinqs MCP server (Purple tier). View plans →

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