ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·11/3/2021
CVE-2021-40444 added to CISA KEV: Microsoft MSHTML
Status: ✅ Confirmed exploited in the wild
Date added: 2021-11-03
Required action: Apply updates per vendor instructions.
Due date: 2021-11-17
Why this matters
Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.
Sources
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.