KB5043125

Microsoft security update released 2024-09-10. Fixes 21 CVEs.

HighCISA KEV

Download KB5043125

Get the official update for KB5043125. The download and file size for each supported product are on the Microsoft Update Catalog page.

Microsoft Update Catalog: download KB5043125 Microsoft support article

Update summary

Released

2024-09-10

CVEs fixed

Max CVSS

8.8

Severity

High

Exploitation and severity

Fixes 21 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 8.8 (High). EPSS exploit probability up to 52%.

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

What to do

Treat as urgent: it is being exploited in the wild (CISA KEV), so patch ahead of items that are not. Senserva flags whether KB5043125 is missing on your devices.

Affected products

Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022

References

Microsoft support article Microsoft Security Update Guide

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