Lyrie
Active Exploitation
ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·11/3/2021

CVE-2021-38003 added to CISA KEV: Google Chromium V8

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

Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

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.