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Actively exploited · Published Mar 17, 2017 · Assigned by microsoft

CVE-2017-0147

High 7.5 Exploited Ransomware

In plain English

A high-severity security flaw in Windows SMB from Microsoft Corporation. Attackers are actively exploiting it in the wild (listed by CISA on May 24, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 99.7% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)99.7%top 0.0% of all CVEs
Exploited in the wildYesCISA KEV since May 24, 2022
Attack tooling2Metasploit, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 14, 2022.

Official 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 obtain sensitive information from process memory via a crafted packets, aka "Windows SMB Information Disclosure Vulnerability."

Affected products (as reported)

VendorProductVersions
Microsoft Corporation Windows SMB 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

References