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CVE-2021-1680: Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-12 · updated 2026-06-17
• Weakness: CWE-269

Description

Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability

Affected products

• Microsoft Visual Studio: 2015-update3
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.0 through 15.8
• Microsoft Visual Studio 2019: from 16.0 through 16.7.0; 16.8
• Microsoft Windows 10 Version 1607: 20h2, 1607, 1803, 1809, 1909, 2004
• Microsoft Windows Server 2016: 20h2, 1909, 2004
• Microsoft Windows Server 2019: all versions
• Microsoft Visual Studio 2015 Update 3: from 14.0.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.0: from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3): from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6): from 16.0.0 before publication — fixed in publication
• Microsoft Visual Studio 2019 version 16.8: from 16.0 before publication — fixed in publication
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.9.0 before publication — fixed in publication
• Microsoft Windows 10 Version 1507: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10 1607: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10 1803: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10 1909: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10 2004: from 10.0.0 before publication — fixed in publication
• Microsoft Windows 10 20H2: from 10.0.0 before publication — fixed in publication
• Microsoft Windows Server 2016: from 10.0.0 before publication — fixed in publication
• Microsoft Windows Server 2019: from 10.0.0 before publication — fixed in publication
• Microsoft Windows Server, version 1909 (Server Core installation): from 10.0.0 before publication — fixed in publication
• Microsoft Windows Server version 2004: from 10.0.0 before publication — fixed in publication
• Microsoft Windows Server version 20H2: from 10.0.0 before publication — fixed in publication

How to fix

Upgrade to a fixed version: Microsoft Visual Studio 2015 Update 3 publication; Microsoft Visual Studio 2019 version 16.0 publication; Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) publication; Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) publication; Microsoft Visual Studio 2019 version 16.8 publication; Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) publication; Microsoft Windows 10 Version 1507 publication; Microsoft Windows 10 1607 publication; Microsoft Windows 10 1803 publication; Microsoft Windows 10 publication; Microsoft Windows 10 1909 publication; Microsoft Windows 10 2004 publication. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1680
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1680

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