---
title: "CVE-2026-91732: Google Chrome - Broken Access Control"
description: "Google Chrome < 153.0.8010.47 contains a broken access control caused by missing authorization in AppManifest, letting remote attackers who compromised the renderer process bypass web origin policy via crafted HTML page, exploit requires renderer compromise and social engineering."
url: https://panop.io/threat-heartbeat/CVE-2026-91732/
---

# CVE-2026-91732 Google Chrome - Broken Access Control

Google Chrome < 153.0.8010.47 contains a broken access control caused by missing authorization in AppManifest, letting remote attackers who compromised the renderer process bypass web origin policy via crafted HTML page, exploit requires renderer compromise and social engineering.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91732)

## Details

Type

Broken Access Control

Impact

Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Update to version 153.0.8010.47 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91732](https://nvd.nist.gov/vuln/detail/CVE-2026-91732)
- [https://issues.chromium.org/issues/511062248](https://issues.chromium.org/issues/511062248)
- [https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop\_0541751186.html](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)