---
id: CVE-2026-93379
title: >-
  Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed
  a remote attacker to bypass site isolation via a crafted HTML page
summary: >-
  Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed
  a remote attacker to bypass site isolation via a crafted HTML page. (Chromium
  security severity: High)
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'
cwe:
  - CWE-863
vendor: google
product: chrome
affected:
  - chrome < 153.0.8010.52
patched:
  - chrome 153.0.8010.52
published: '2026-09-17'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T11:09:49.853'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93379'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/560039872'
    label: chrome-cve-admin@google.com
tags:
  - nvd
  - cve.org
epss: 0.00252
epssPercentile: 0.16967
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-18T13:13:44.050255Z'
ingestedAt: '2026-09-17T21:29:16.988Z'
---

## Overview

Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

## Affected

- `chrome < 153.0.8010.52`

## Remediation

Upgrade past the affected range:

- `chrome 153.0.8010.52`