libaec through 1.1.7 Out-of-Bounds Read via m_se_decode() Second Extension Decoder
? CVE-2026-120457 · score 5.3/10
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 libaec 1.1.3-1 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.