CVE-2026-113142

medium

Description

Incorrect authorization in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)

References

https://issues.chromium.org/issues/498733953

https://issues.chromium.org/498733953#attachment75108978

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105495

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

Details

Source: Mitre, NVD

Published: 2026-10-20

Updated: 2026-11-03

Named Vulnerability: GHSA-xpxj-7cvh-4vxh

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00342