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CVE record · CVE-2021-42277

Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability

CVSS 5.5 MediumEPSS 0.0087 · 58th percentile

Published by the CVE Program (CNA: microsoft) at 10 Nov 2021, 00:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Microsoft Visual Studio 2015 Update 3
  • affected 14.0.0 to before 27550.00 custom
Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
  • affected 15.9.0 to before 15.9.41 custom
Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
  • affected 16.11.0 to before 16.11.6 custom
Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
  • affected 16.0.0 to before 16.7.21 custom
Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
  • affected 15.0.0 to before 16.9.13 custom
Microsoft Windows 10 Version 1507
  • affected 10.0.10240.0 to before 10.0.10240.19119 custom
Microsoft Windows 10 Version 1607
  • affected 10.0.14393.0 to before 10.0.14393.4770 custom
Microsoft Windows 10 Version 1809
  • affected 10.0.17763.0 to before 10.0.17763.2300 custom
Microsoft Windows 10 Version 1809
  • affected 10.0.0 to before 10.0.17763.2300 custom
Microsoft Windows 10 Version 1909
  • affected 10.0.0 to before 10.0.18363.1916 custom
Microsoft Windows 10 Version 2004
  • affected 10.0.0 to before 10.0.19041.1348 custom
Microsoft Windows 10 Version 20H2
  • affected 10.0.0 to before 10.0.19042.1348 custom
Microsoft Windows 10 Version 21H1
  • affected 10.0.0 to before 10.0.19043.1348 custom
Microsoft Windows 11 version 21H2
  • affected 10.0.22000.0 to before 10.0.22000.318 custom
Microsoft Windows Server 2016
  • affected 10.0.14393.0 to before 10.0.14393.4770 custom
Microsoft Windows Server 2016 (Server Core installation)
  • affected 10.0.14393.0 to before 10.0.14393.4770 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.2300 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.2300 custom
Microsoft Windows Server 2022
  • affected 10.0.20348.0 to before 10.0.20348.350 custom
Microsoft Windows Server version 2004
  • affected 10.0.0 to before 10.0.19041.1348 custom
Microsoft Windows Server version 20H2
  • affected 10.0.0 to before 10.0.19041.1348 custom
Identifiers
CVE-2021-42277
CNA
microsoft
Tags
Published
10 Nov 2021
Updated
19 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.5 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.0087, the 58th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Nov 2021. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.