CivetWeb through 1.16 HTTP/2 Use-After-Free via Stale Pseudo-Header State
? CVE-2026-124040 · score 8.1/10
What could go wrong?
Microsoft fixed a security weakness. Details are limited to avoid helping attackers.
How urgent is it?
Check Microsoft’s page for details.
Who is affected?
azl3 ceph 18.2.2-13 on Azure Linux 3.0
What should I do?
Install this month’s updates via Windows Update, Intune or your update tool, then restart.
Known problems
Microsoft lists known issues per update: no KB article listed. Official page.