CVE-2026-3942 — MEDIUM (4.3)

Q: What is CVE-2026-3942?

CVE-2026-3942 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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)

Q: How severe is CVE-2026-3942?

CVE-2026-3942 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-3942?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.

Vulnerability Description

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)

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 146.0.7680.71
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-451

References

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_Release NotesVendor Advisory
https://issues.chromium.org/issues/475238879Permissions Required

FAQ

What is CVE-2026-3942?

CVE-2026-3942 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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)

How severe is CVE-2026-3942?

CVE-2026-3942 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3942?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.