---
id: CVE-2026-76027
title: >-
  Information loss in CacheStorage in Google Chrome prior to 156.0.8078.79
  allowed a remote attacker to obtain cross-origin data via a crafted HTML page
summary: >-
  Information loss in CacheStorage in Google Chrome prior to 156.0.8078.79
  allowed a remote attacker to obtain cross-origin data 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'
cvssSource: adp
cwe:
  - CWE-221
vendor: Google
product: Chrome
affected:
  - Chrome >= 156.0.8078.79 < 156.0.8078.79
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-30T13:27:57.993906Z'
published: '2026-10-30'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T21:17:48.951Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-76027'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02107719452.html
  - url: 'https://issues.chromium.org/issues/568894475'
tags:
  - cve.org
epss: 0.00234
epssPercentile: 0.14447
ingestedAt: '2026-11-05T20:33:06.483Z'
---

## Overview

Information loss in CacheStorage in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

## Affected

- `Chrome >= 156.0.8078.79 < 156.0.8078.79`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.