CVE-2026-87499

high

Description

Incorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

References

https://issues.chromium.org/issues/553118043

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-74519

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html

Details

Source: Mitre, NVD

Published: 2026-09-09

Updated: 2026-09-10

Risk Information

CVSS v2

Base Score: 9.4

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

Severity: High

CVSS v3

Base Score: 8.1

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