Vulnerability in Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8)
CVE-2021-26423
.NET Core and Visual Studio Denial of Service Vulnerability
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.039 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8) — versions 15.9.0
- Microsoft Visual Studio 2019 Version 16.10 (Includes 16.0 - 16.9) — versions 16.10.0
- 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
- Microsoft .Net
- Microsoft .Net 5.0 — versions 5.0.0
- Microsoft .Net Core
- Microsoft .Net Core 2.1 — versions 2.1
- Microsoft .Net Core 3.1 — versions 3.1
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26423 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-26423?
- CVE-2021-26423 is a high-severity vulnerability in Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8). CVSS score: 7.5/10. Published 2021-08-12.
- How severe is CVE-2021-26423?
- High severity. CVSS v3 base score is 7.5 out of 10.