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CVE-2026-2441

CISA KEV

Published February 17, 2026 · Updated April 3, 2026

high

What This Means

# CVE-2026-2441: Chromium CSS Use-After-Free **What it is:** A use-after-free vulnerability in Chromium's CSS rendering engine allows remote code execution when a user visits a malicious HTML page, potentially corrupting heap memory and enabling arbitrary code execution in the browser process. **What it affects:** Google Chrome, Microsoft Edge, Opera, and any Chromium-based browser on affected versions. **What to do:** Patch immediately to the latest Chromium version (check vendor release notes for specific patch versions). Monitor for in-the-wild exploitation. Block or warn users visiting untrusted websites until patches are deployed.

Official Description+

Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Affected Products

VendorProduct
GoogleChromium

Patch Status

Patch by 2026-03-10

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2026-2441.