CVE-2026-78947 is a vulnerability in Google Chrome
Published on August 25, 2026
Incomplete cleanup in Chromium in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)
Weakness Type
What is an Insufficient Cleanup Vulnerability?
The software does not properly "clean up" and remove temporary or supporting resources after they have been used.
CVE-2026-78947 has been classified to as an Insufficient Cleanup vulnerability or weakness.
Products Associated with CVE-2026-78947
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Affected Versions
Google Chrome:- Version 152.0.7977.65 and below 152.0.7977.65 is affected.