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Fencer Intel
high 7.1

CVE-2026-11269 json

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to…

published 5mo ago modified 3mo ago also EUVD-2026-34730

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits
0
none known

Summary

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)

Patch / fix

  • google chrome 149.0.7827.53
  • chromium Debian 12 149.0.7827.53-1~deb12u1
  • chromium Debian 13 149.0.7827.53-1~deb13u1
  • chromium Debian 14 149.0.7827.53-1

debian advisories DEBIAN-CVE-2026-11269

  • chromium openSUSE Leap 16.0 149.0.7827.155-bp160.1.1
  • chromium openSUSE Tumbleweed 149.0.7827.53-2.1

opensuse advisories openSUSE-SU-2026:21135-1openSUSE-SU-2026:10958-1

Is CVE-2026-11269 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.

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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-2026-11269 updated cvss 8.8

chromium-browser: Inappropriate implementation in Extensions

  • 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
5mo ago

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-829 Inclusion of Functionality from Untrusted Control Sphere
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.

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