CVE-2026-3942: Low Incorrect security UI in PictureInPicture.
Chromium: CVE-2026-3942 Incorrect security UI in PictureInPicture
Other sources
Incorrect security UI in PictureInPicture in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-3942?
CVE-2026-3942 has a security severity rating of low.
How do I fix CVE-2026-3942?
To mitigate CVE-2026-3942, update Google Chrome to version 146.0.7680.71 or later.
What type of attack does CVE-2026-3942 involve?
CVE-2026-3942 involves UI spoofing via a crafted HTML page.
Which versions of Google Chrome are affected by CVE-2026-3942?
CVE-2026-3942 affects Google Chrome versions prior to 146.0.7680.71.
Can CVE-2026-3942 affect other browsers?
CVE-2026-3942 primarily affects Google Chrome and related products like Microsoft Edge (Chromium-based) up to version 146.0.3856.59.