Risk Scores

Timeline

• Jan 11, 2022 CVE Published
• Apr 9, 2026 Security Advisory
• Apr 9, 2026 Security Advisory

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21891 advisory
• https://msrc.microsoft.com/csaf/2022/msrc_cve-2022-21891.json advisory
• https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
• https://support.microsoft.com/lifecycle url
• https://www.first.org/cvss url