Google Dawn Use-After-Free Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-04-01

[ Description ]Official description

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Apr 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.htmlVendor Advisory
• issues.chromium.org/issues/491518608Issue TrackingPermissions Required
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource