CVE-2026-121120

medium

Description

Improper input validation in Prerender in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

References

https://issues.chromium.org/issues/492163889

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-116445

https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html

Details

Source: Mitre, NVD

Published: 2026-11-03

Updated: 2026-11-03

Risk Information

CVSS v2

Base Score: 5.8

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

Severity: Medium

CVSS v3

Base Score: 6.5

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