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CVE Watch—

CVE-2017-0143

Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

93.3%

p100

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
93.3%EPSS · 30 days93.3%
2026-08-022026-08-30
KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary description

Microsoft Windows Server Message Block 1.0 (SMBv1) contains an unspecified vulnerability that allows for remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-0143

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