What’s Vulnerable › Vulnerabilities

CVE-2017-11781

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-13 · updated 2026-06-17
• Weakness: CWE-20

Description

The Microsoft Server Block Message (SMB) on 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, allows a denial of service vulnerability when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service Vulnerability".

Affected products

• Microsoft Windows 10 Version 1607: 1511, 1607, 1703
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: all versions
• Microsoft Corporation Server Block Message (SMB): 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

References

• http://www.securityfocus.com/bid/101140
• http://www.securitytracker.com/id/1039528
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781
• http://www.securityfocus.com/bid/101140
• http://www.securitytracker.com/id/1039528
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781

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