Is CVE-2026-106421 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-106421?

CVE-2026-106421 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-106421

Description

Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)