CVE-2026-87589

State: Published
Severity: 6.5 Medium
Published: Sep 9, 2026
Updated: Sep 10, 2026
Reserved: Sep 8, 2026

Description

Incorrect authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-863 Incorrect authorization

Affected Products

Product	Versions
ChromeGoogle	153.0.8010.36 to before 153.0.8010.36Affected

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/518002426

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.