Attackers are using this March 31, 2026 Critical severity

Chrome flaw used in attacks

A flaw in Chrome’s graphics code (Dawn), “Use after free in Dawn”, lets a booby-trapped web page run code. Google says an exploit exists in the wild. Fixed in Chrome 146.0.7680.177.

On a Mac

Chrome and other Chromium browsers, and apps built on Electron or Chromium. Each app carries its own copy, so it stays exposed until that app updates, even when Chrome is current.

The fix

• Chrome 146.0.7680.177
• Electron 39.8.6, 40.9.0, 41.2.0, 42.0.0, 43.0.0, 44.0.0 and 45.0.0

Attacks

In CISA’s catalog of exploited flaws since April 1, 2026.

CVE

CVE-2026-5281

Sources

• chromereleases.googleblog.com
• cisa.gov

From the Briefing, updated 17 minutes ago.