The Microsoft Server Block Message (SMB) on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012…

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".

Scores

EPSS (exploitation in 30 days)

14.4% · top 3.4% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• Denial of Service
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• Microsoft Corporation · Server Block Message (SMB)

  • affected 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 (3)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11781 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1039528 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 101140 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-11781](https://trackcve.app/badge/CVE-2017-11781.svg)](https://trackcve.app/cve/CVE-2017-11781)

Record last updated 16 Sept 2024, 20:37 UTC.