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Fencer Vulns
medium 4.3

CVE-2026-3942 json

Incorrect security UI in PictureInPicture in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to perform UI spoofing via a cr…

published 2026-03-11 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-11474

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

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)

Patch / fix

  • google chrome 146.0.7680.71
  • chromium Debian 12 146.0.7680.71-1~deb12u1
  • chromium Debian 13 146.0.7680.71-1~deb13u1
  • chromium Debian 14 146.0.7680.71-1

debian advisories DEBIAN-CVE-2026-3942

  • chromium openSUSE Leap 16.0 146.0.7680.177-bp160.1.1
  • chromium openSUSE Tumbleweed 146.0.7680.80-1.1

opensuse advisories openSUSE-SU-2026:20460-1openSUSE-SU-2026:10376-1

  • qt6-qtwebengine Alpine 3.23 6.10.1-r10
  • qt6-qtwebengine Alpine 3.24 6.10.2-r8

alpine advisories ALPINE-CVE-2026-3942

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-3942 updated cvss 4.3

chromium-browser: Incorrect security UI in PictureInPicture

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-451 User Interface (UI) Misrepresentation of Critical Information
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.