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Δ / VULNERABILITY RECORD

CVE-2022-21986.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.5CVSS 3.1 · secure@microsoft.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSModifiedModified Oct 08, 2026

Disclosure summary

.NET Denial of Service Vulnerability

Source-reported weakness categories

NVD-CWE-noinfo

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2022-21986

Open original source · Updated Oct 08, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
microsoft.net* {"versionStartIncluding":"6.0.0","versionEndExcluding":"6.0.2"}
microsoftvisual_studio_2019* {"versionStartIncluding":"8.10","versionEndExcluding":"8.10.18"}
microsoftvisual_studio_2019* {"versionStartIncluding":"16.0","versionEndIncluding":"16.11"}
microsoftvisual_studio_2022* {"versionStartIncluding":"17.0","versionEndExcluding":"17.0.6"}
fedoraprojectfedora34
fedoraprojectfedora35

Original records & references

PUBLISHED 2022-02-09T12:15:08-05:00
MODIFIED 2026-10-08T18:17:16-04:00
INGESTED 2026-10-10T20:50:21-04:00