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8.8 High

CVE-2025-9866 Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass…

Description

Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Medium)

Affected products and versions

Product Affected versions Fixed in
Chrome 140.0 earliest → < 140.0.7339.80 140.0.7339.80

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