CVE-2022-21986.NET Denial of Service Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) and 9 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 Denial of Service Vulnerability
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) microsoft:visual_studio_2019_version_16.9_includes_16.0_16.8 (from the name) | from 15.0.0 before 16.9.17 | CNA record |
Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) microsoft:visual_studio_2019_version_16.11_includes_16.0_16.10 (from the name) | from 16.11.0 before 16.11.10 | CNA record |
Microsoft Microsoft Visual Studio 2022 version 17.0 microsoft:visual_studio_2022_version_17.0 (from the name) | from 17.0.0 before 17.0.6 | CNA record |
Microsoft Visual Studio 2019 for Mac version 8.10 microsoft:visual_studio_2019_for_mac_version_8.10 (from the name) | from 8.1.0 before 8.10.18 | CNA record |
Microsoft .NET 5.0 microsoft:net_5.0 (from the name) | from 5.0.0 before 5.0.14 | CNA record |
Microsoft .NET 6.0 microsoft:net_6.0 (from the name) | from 6.0.0 before 6.0.2 | CNA record |
microsoft .net microsoft:.net | from 5.0 before 5.0.14; from 6.0.0 before 6.0.2 | NVD |
microsoft visual_studio_2019 microsoft:visual_studio_2019 | from 8.10 before 8.10.18; from 16.0 through 16.11 | NVD |
microsoft visual_studio_2022 microsoft:visual_studio_2022 | from 17.0 before 17.0.6 | NVD |
fedoraproject fedora fedoraproject:fedora | 34; 35 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21986vendor-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.