windows server 2022 vulnerabilities and fixes
Recent CVEs affecting windows server 2022, with upgrade or downgrade steps. 3 tracked.
Also searched as: windowsserver2022.
windows server 2022 has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-10-13. Highest priority: CVE-2026-96222 (score 48/100).
- CVE-2026-83862 HIGH 8.8 UPGRADE UPGRADE Use after free in Windows Network Load Balancing allows an unauthorized attacker to execute code over an adjac
- CVE-2026-96222 HIGH 7.4 UPGRADE UPGRADE Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacke
- CVE-2026-85790 MEDIUM 5.9 UPGRADE UPGRADE Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
FAQ
How do I fix windows server 2022 vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is windows server 2022 being exploited right now?
None of the tracked windows server 2022 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which windows server 2022 CVE should I patch first?
CVE-2026-96222 currently ranks highest (48/100): Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacke.