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CVE-2017-0147: Microsoft Windows SMBv1 Information Disclosure Vulnerability

criticalknown exploitedpublic exploitCVE-2017-0147
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The SMBv1 server in Microsoft Windows allows remote attackers to obtain sensitive information from process memory via a crafted packet.

CSIRTS triage

vendor: Microsoftproduct: WindowsInformation disclosure
What
The SMBv1 server in Microsoft Windows allows remote attackers to obtain sensitive information from process memory via a crafted packet.
Who is affected
Deployments of Microsoft Windows with SMBv1 enabled are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Disable SMBv1 and apply the latest security patch for Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-24
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-0147

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2017-0147coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows SMBv1

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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