Skip to content
Fencer Vulns
high 8.8

CVE-2026-17778 json

Use after free in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox v…

published 2026-07-30 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-50727

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Use after free in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)

Patch / fix

  • google chrome 151.0.7922.72
  • chromium Debian 12 151.0.7922.71-1~deb12u1
  • chromium Debian 13 151.0.7922.71-1~deb13u1
  • chromium Debian 14 151.0.7922.71-1

debian advisories DEBIAN-CVE-2026-17778

  • chromium openSUSE Leap 16.0 151.0.7922.173-bp160.1.1
  • chromium openSUSE Tumbleweed 151.0.7922.71-1.1

opensuse advisories openSUSE-SU-2026:21624-1openSUSE-SU-2026:11434-1

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-2026-17778 updated cvss 7.6

chromium-browser: Google Chrome: Arbitrary code execution via crafted Chrome Extension

  • 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
total
Assessed
3 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
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.