KB5094122

Microsoft security update released 2026-06-09. Fixes 76 CVEs.

Critical

Download KB5094122

Get the official update for KB5094122. The download and file size for each supported product are on the Microsoft Update Catalog page.

Microsoft Update Catalog: download KB5094122 Microsoft support article

Update summary

Released

2026-06-09

CVEs fixed

Max CVSS

9.8

Severity

Critical

Exploitation and severity

Fixes 76 CVEs. Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 48%.

Among the top 25% of tracked Microsoft updates by EPSS exploit probability.

What to do

Elevated priority: high severity or a meaningful exploitation probability, sooner if an affected product is internet-facing. Senserva flags whether KB5094122 is missing on your devices.

CVEs fixed by this update

CVE-2026-33828 CVE-2026-34335 CVE-2026-40404 CVE-2026-40409 CVE-2026-41092 CVE-2026-41108 CVE-2026-42836 CVE-2026-42903 CVE-2026-42905 CVE-2026-42908 CVE-2026-42909 CVE-2026-42911 CVE-2026-42912 CVE-2026-42914 CVE-2026-42916 CVE-2026-42968 CVE-2026-42969 CVE-2026-42970 CVE-2026-42971 CVE-2026-42972 CVE-2026-42973 CVE-2026-42980 CVE-2026-42985 CVE-2026-42986 CVE-2026-42987 CVE-2026-42989 CVE-2026-42992 CVE-2026-44799 CVE-2026-44801 CVE-2026-44803 CVE-2026-44812 CVE-2026-44815 CVE-2026-45586 CVE-2026-45588 CVE-2026-45592 CVE-2026-45594 CVE-2026-45595 CVE-2026-45596 CVE-2026-45598 CVE-2026-45599 CVE-2026-45601 CVE-2026-45602 CVE-2026-45603 CVE-2026-45605 CVE-2026-45606 CVE-2026-45607 CVE-2026-45608 CVE-2026-45634 CVE-2026-45635 CVE-2026-45636 CVE-2026-45638 CVE-2026-45639 CVE-2026-45642 CVE-2026-45653 CVE-2026-45655 CVE-2026-45656 CVE-2026-45658 CVE-2026-47288 CVE-2026-47289 CVE-2026-47291 CVE-2026-47648 CVE-2026-47653 CVE-2026-47654 CVE-2026-47656 CVE-2026-48568 CVE-2026-48570 CVE-2026-48573 CVE-2026-48574 CVE-2026-48575 CVE-2026-48576 CVE-2026-48578 CVE-2026-48583 CVE-2026-49160 CVE-2026-50507 CVE-2026-50508 CVE-2026-8863

Affected products

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019

References

Microsoft support article Microsoft Security Update Guide

See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.