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CVE-2017-0143

Published: Mar 17, 2017Updated: Apr 22, 2026 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
8.8CVSSHIGH
EPSS Score
93.3%
Top 0.2%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
5 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Windows SMBMicrosoft Corporation
Mixed
Operating Systems / windows
Windows XPMicrosoft Corp
On-prem
Operating Systems / windows
Windows Server 2003Microsoft Corp
OS
Operating Systems / windows
Windows Vista Service Pack 2Microsoft Corp
On-premOS
Operating Systems / windows
Windows 7 Service Pack 1Microsoft Corp
On-premOS
Operating Systems / windows
microsoft corporationcommercialUSOperating Systemsaka microsoft
microsoft corpcommercialUSOperating Systemsaka microsoft corporation
and 19 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

5 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://www.exploit-db.com/exploits/41891/
exploit-db.com
http://www.securityfocus.com/bid/96703
securityfocus.com
http://www.securitytracker.com/id/1037991
securitytracker.com
and 26 more references View all →

Timeline

Published
Mar 17, 2017
Added to CISA KEV
Nov 3, 2021
Last Updated
Apr 22, 2026

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