CVE-2017-0271: Microsoft Windows 10

Medium severity, CVSS 5.9. EPSS: 13.3% chance of exploitation in the next 30 days.

Microsoft Server Message Block 1.0 (SMBv1) allows an information disclosure vulnerability in the way that Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 handles certain requests, aka "Windows SMB Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-0267, CVE-2017-0268, CVE-2017-0270, CVE-2017-0274, CVE-2017-0275, and CVE-2017-0276.

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only; version 1607 only; version 1703 only
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: any version
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified

Published 2017-05-12. Last modified 2026-06-17.