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

criticalknown exploitedpublic exploitCVE-2026-2441
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Googleproduct: ChromiumMemory corruption
What
Chromium CSS contains a use-after-free vulnerability.
Who is affected
Users of web browsers utilizing Chromium, including Google Chrome and Microsoft Edge.
Urgency
Urgent remediation is necessary due to active exploitation and critical severity.
Action
Update to the latest version of Chromium-based browsers.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-02-17
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-2441

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-2441coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chromium CSS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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