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Exploited vulnerability · CISA KEV

Is CVE-2026-2441 exploited? Yes: in CISA KEV since 17 Feb 2026

Gociux · Google Chromium · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-2441, Google Chromium CSS Use-After-Free Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 17 Feb 2026, 4 days after it was published. It affects Google Chromium. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 17 Feb 2026
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.8CVSS 3.1 · high
US federal due10 Mar 2026BOD 22-01 deadline

What it is

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.

VendorGoogle (77 exploited CVEs in KEV)
ProductChromium
VulnerabilityGoogle Chromium CSS Use-After-Free Vulnerability
WeaknessCWE-416
Published13 Feb 2026
Added to KEV17 Feb 2026
Reported by (CNA)Chrome

What to do

  1. Check whether you run it. Look for Chromium in your asset inventory, including appliances and cloud images. Stack check lists every exploited Google CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 13 Feb 2026.
  4. Get told next time. Email alerts when CISA adds a CVE for Google.

Other exploited CVEs in Chromium

References

Questions

Is CVE-2026-2441 being exploited?

Yes. CISA added CVE-2026-2441 to the Known Exploited Vulnerabilities catalog on 17 Feb 2026, which means there is reliable evidence of exploitation in the wild.

Is CVE-2026-2441 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2026-2441?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check Google's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Chromium and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in February 2026 · Google scorecard · act-now radar.

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