Vulnerability in Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8)
CVE-2021-26434
Visual Studio Elevation of Privilege Vulnerability
EPSS: 0.004 (63.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8) — versions 15.9.0
- Microsoft Visual Studio 2019 Version 16.11 (Includes 16.0 - 16.10) — versions 16.11.0
- Microsoft Visual Studio 2019 Version 16.4 (Includes 16.0 - 16.3) — versions 16.0
- Microsoft Visual Studio 2019 Version 16.7 (Includes 16.0 – 16.6) — versions 16.0.0
- Microsoft Visual Studio 2019 Version 16.9 (Includes 16.0 - 16.8) — versions 15.0.0
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 (x_refsource_MISC)
- www.zerodayinitiative.com/advisories/ZDI-21-1077/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26434?
- CVE-2021-26434 is a high-severity vulnerability in Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8). CVSS score: 7.8/10. Published 2021-09-15.
- How severe is CVE-2021-26434?
- High severity. CVSS v3 base score is 7.8 out of 10.