# CVE-2026-87509

## Summary

- **CVE ID:** CVE-2026-87509
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-863
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 10, 2026

## Description

Incorrect authorization in Updater in Google Chrome on on Windows prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Low)

## 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/535718578)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._