CRITICALApril 23, 2026

Chrome Zero-Days in Skia and V8

Critical Exploits Affecting 3.5 Billion Users

Chrome 146 patched two zero-days under active exploitation. One malicious page equals arbitrary code execution.

3.5B+
Chrome Users
globally
CVSS 8.8
Severity
Critical
2
Zero-Days
CVE-2026-3909, CVE-2026-3910
100%
Patched
Chrome 146+

What Happened

Malicious actors exploited CVE-2026-3909 in Skia and CVE-2026-3910 in V8 to execute code via malicious websites. A single visit to a compromised or specially crafted page could lead to arbitrary code execution on the victim's machine, affecting Windows, macOS, and Linux users.

Technical Analysis

Skia's memory corruption flaw (CVE-2026-3909) allowed improper handling of canvas operations, while V8's type confusion bug (CVE-2026-3910) enabled attackers to break JavaScript engine constraints. Both vulnerabilities were actively exploited in the wild before patches were available, making them zero‑day threats with high impact.

Impact

Affects all Chrome users on Windows, macOS, and Linux. High‑risk for targeted attacks via phishing campaigns, malicious advertisements, or drive‑by downloads. Organizations with legacy systems that cannot update quickly are especially vulnerable.

How to Protect Yourself

Force browser updates immediately (Chrome 146 or later). Disable unnecessary plugins and extensions, use EOL policies for legacy systems, and consider deploying application whitelisting to prevent unauthorized code execution. Enable Chrome's Enhanced Safe Browsing for an extra layer of protection.

References