CVE-2021-27064 json
Visual Studio Installer Elevation of Privilege Vulnerability
published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13835
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Visual Studio Installer Elevation of Privilege Vulnerability
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 14 mo ago
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
- Microsoft Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
- Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
- Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-27064
patch, vendor-advisory
Sources
- CVE List CVE-2021-27064
- NVD CVE-2021-27064
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