Upstream information

CVE-2026-87570 at MITRE

Description

Incorrect authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted file. (Chromium security severity: Medium)

SUSE information

Overall state of this security issue: Revisit

This issue is currently rated as having critical severity.

CVSS v3 Scores
CVSS detail CNA (CISA-ADP) National Vulnerability Database
Base Score 8.8 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1279840 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.


SUSE Timeline for this CVE

CVE page created: Wed Sep 9 12:58:07 2026
CVE page last modified: Thu Sep 10 21:55:34 2026