Visual Studio Elevation of Privilege Vulnerability
Summary
| CVE | CVE-2021-42319 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-11-10 01:19:49 UTC |
| Updated | 2026-08-19 17:18:02 UTC |
| Description | Visual Studio Elevation of Privilege Vulnerability |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.004560000 probability, percentile 0.380130000 (date 2026-08-19)
Problem Types: CWE-269 | Elevation of Privilege
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | [email protected] | Secondary | 4.7 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 4.7 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
| 2.0 | [email protected] | Primary | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:L/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Microsoft | Visual Studio 2017 | All | All | All | All |
| Application | Microsoft | Visual Studio 2019 | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Microsoft | Microsoft Visual Studio 2017 Version 15.9 Includes 15.0 - 15.8 | affected 15.9.0 15.9.41 custom | Not specified |
| CNA | Microsoft | Microsoft Visual Studio 2019 Version 16.11 Includes 16.0 - 16.10 | affected 16.11.0 16.11.6 custom | Not specified |
| CNA | Microsoft | Microsoft Visual Studio 2019 Version 16.7 Includes 16.0 16.6 | affected 16.0.0 16.7.21 custom | Not specified |
| CNA | Microsoft | Microsoft Visual Studio 2019 Version 16.9 Includes 16.0 - 16.8 | affected 15.0.0 16.9.13 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Update Guide - Microsoft Security Response Center | af854a3a-2127-422b-91ae-364da2661108 | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42319 | [email protected] | msrc.microsoft.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 91831 Microsoft Visual Studio Security Update - November 2021