How severe is CVE-2017-0147?

CVE-2017-0147 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 99.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2017-0147: Microsoft Windows SMBv1 Information Disclosure

CISA Known Exploited Vulnerabilities

Microsoft Windows SMBv1 Information Disclosure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-05-24

Remediation due

2022-06-14

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2017-0147

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."

Severity

CVSS 3.1 · CISA7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Exploitation Context

as of October 14, 2026

All KEV statistics→

CISA added CVE-2017-0147 to the KEV catalog 1,894 days after its CVE record was published.
It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 166 added in 2022.
Its current EPSS score (99.7%) is higher than that of 90% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft Corporation	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

11 Links

Exploits & PoCs

Vulnerability databases

Other references

Record Details

Published

2017-03-17

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.