# CVE-2026-91734

## Summary

- **CVE ID:** CVE-2026-91734
- **Severity:** HIGH
- **CVSS Score:** 7.4 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-863
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

## Affected Products

- Google — Chrome (153.0.8010.47)

## References

- [CNA](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html)
- [CNA](https://issues.chromium.org/issues/516780835)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.09%
- **EPSS Percentile:** 0.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._