An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain req

Summary

An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.

Timeline

1. Jun 9, 2020, 7:43 PM UTCCVE published
2. Aug 4, 2024, 6:31 AM UTCRecord last updated
3. Oct 28, 2026EPSS reached 10%

   FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

• Microsoft Windows 10 Version 1909 for 32-bit Systems

  Version range not reported

• Microsoft Windows 10 Version 1909 for x64-based Systems

  Version range not reported

• Microsoft Windows 10 Version 1909 for ARM64-based Systems

  Version range not reported

• Microsoft Windows Server, version 1909 (Server Core installation)

  Version range not reported

• Microsoft Windows 10 Version 1903 for 32-bit Systems

  Version range not reported

• Microsoft Windows 10 Version 1903 for x64-based Systems

  Version range not reported

• Microsoft Windows 10 Version 1903 for ARM64-based Systems

  Version range not reported

• Microsoft Windows Server, version 1903 (Server Core installation)

  Version range not reported

• Microsoft Windows 10 Version 2004 for ARM64-based Systems

  Version range not reported

• Microsoft Windows 10 Version 2004 for x64-based Systems

  Version range not reported

• Microsoft Windows 10 Version 2004 for 32-bit Systems

  Version range not reported

• Microsoft Windows Server, version 2004 (Server Core installation)

  Version range not reported

References 4