CVE-2026-2441: Google Chromium CSS Use-After-Free Vulnerability

CISA Known Exploited Vulnerability (KEV)

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_13.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-2441

Weakness behind it

CISA records this vulnerability as an instance of CWE-416. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2441
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog