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High 7.3Published May 11, 2021
CVE-2021-31204.NET and Visual Studio Elevation of Privilege Vulnerability
Updated under an hour ago ()
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It affects microsoft .net and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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.NET and Visual Studio Elevation of Privilege Vulnerability
- CVSS
- 7.3 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-269
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft .net microsoft:.net | from 5.0 through 5.0.5 | NVD |
microsoft .net_core microsoft:.net_core | from 3.1 through 3.1.14 | NVD |
microsoft visual_studio_2019 microsoft:visual_studio_2019 | from 16.0 before 16.4.22; from 16.5.0 before 16.7.15; from 16.8.0 before 16.9.5; 8.9 | NVD |
fedoraproject fedora fedoraproject:fedora | 32; 33; 34 | NVD |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFXJPQUYUITJMV75YN3XIGE3KKN5GOCU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.