---
id: CVE-2026-102322
title: >-
  Incorrect Authorization in SiteIsolation in Google Chrome prior to
  155.0.8059.39 allowed a remote attacker to execute arbitrary code via a
  crafted HTML page
summary: >-
  Incorrect Authorization in SiteIsolation in Google Chrome prior to
  155.0.8059.39 allowed a remote attacker to execute arbitrary code via a
  crafted HTML page. (Chromium security severity: High)
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-863
vendor: google
product: chrome
affected:
  - chrome < 155.0.8059.39
patched:
  - chrome 155.0.8059.39
published: '2026-10-06'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T13:42:02.410'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102322'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/527023137'
    label: chrome-cve-admin@google.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102322.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-102322'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-102322'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102322'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00418
epssPercentile: 0.35912
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-06T21:05:25.272901Z'
ingestedAt: '2026-10-06T19:13:33.936Z'
scores:
  nvd: 9.6
  vendor: 8.8
---

## Overview

Incorrect Authorization in SiteIsolation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

## Affected

- `chrome < 155.0.8059.39`

## Remediation

Upgrade past the affected range:

- `chrome 155.0.8059.39`

## Vendor advisories

- **Red Hat VEX** · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102322.json)