Skip to content
Fencer Intel
medium 6.5

CVE-2026-84357 json

Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to byp…

published 2mo ago modified last mo. also EUVD-2026-69732

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: High)

Patch / fix

  • google chrome 152.0.7977.75
  • chromium Debian 12 152.0.7977.75-1~deb12u1
  • chromium Debian 13 152.0.7977.75-1~deb13u1
  • chromium Debian 14 152.0.7977.75-1

debian advisories DEBIAN-CVE-2026-84357

  • chromium openSUSE Leap 16.0 152.0.7977.82-bp160.1.1
  • chromium openSUSE Tumbleweed 152.0.7977.82-1.1

opensuse advisories openSUSE-SU-2026:21799-1openSUSE-SU-2026:11714-1

Is CVE-2026-84357 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2026-84357 updated cvss 8.1

chromium-browser: chromium-browser: Improper input validation in Omnibox

  • 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
2mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Intel 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.