CVE-2017-0269

5.9 mediumEPSS 6.5%

The Microsoft Server Message Block 1.0 (SMBv1) allows denial of service when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service Vulnerability". This CVE ID is unique from CVE-2017-0273 and CVE-2017-0280.

Severity

CVSS 3.0

5.9 medium

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 6.5% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2017-05-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows_10
microsoft:windows_7
microsoft:windows_8.1
microsoft:windows_server_2008
microsoft:windows_server_2012
microsoft:windows_server_2016

References

http://www.securityfocus.com/bid/98263
http://www.securitytracker.com/id/1038433
https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0269
http://www.securityfocus.com/bid/98263

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