# CVE-2026-87570

## Summary

- **CVE ID:** CVE-2026-87570
- **Severity:** UNKNOWN
- **CVSS Score:** 1.5
- **CWE:** CWE-863
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 9, 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 and leveraged social engineering to bypass site isolation via a crafted file. (Chromium security severity: Medium)

## Affected Products

- Google — Chrome (153.0.8010.36)

## References

- [CNA](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html)
- [CNA](https://issues.chromium.org/issues/517215407)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._