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CVE-2026-5281: Google Dawn Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2026-5281
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 Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. This vulnerability could affect multiple Chromium-based products including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

CSIRTS triage

vendor: Googleproduct: DawnRemote code execution
What
Google Dawn contains a use-after-free vulnerability that could allow a remote attacker to execute arbitrary code via a crafted HTML page.
Who is affected
Users of Google Dawn and other Chromium-based products.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Google Dawn or affected 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
2026-04-01
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-5281

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-2026-5281coverage & exploitation statusNVD · CVE.org

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