CVE-2021-42277
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
5.5
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
- Record
CVE-2021-42277- CVSS 3.1
- 5.5 Medium
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 - Updated
- 2026-11-02
EUVDEUVD-2021-29253
5.5
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
- Record
EUVD-2021-29253- CVSS 3.1
- 5.5 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p3rm-m944-qxgv
5.5
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
- Record
GHSA-p3rm-m944-qxgv- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
5.5
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
- Record
CVE-2021-42277- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
- microsoft visual studio 2015 update 3
- microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8)
- microsoft visual studio 2019 version 16.11 (includes 16.0 - 16.10)
- microsoft visual studio 2019 version 16.7 (includes 16.0 – 16.6)
- microsoft visual studio 2019 version 16.9 (includes 16.0 - 16.8)
- microsoft visual studio
- microsoft visual studio 2017
- microsoft visual studio 2019
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
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- microsoft windows 10 version 2004
- microsoft windows 10 version 20h2
- microsoft windows 10 version 21h1
- microsoft windows 11 version 21h2
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server version 2004
- microsoft windows server version 20h2
- microsoft windows 10
- microsoft windows 11
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42277 is a medium vulnerability (CVSS 5.5) in Microsoft Visual Studio 2015 Update 3, published November 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 58th percentile. No source names a fixed version.