---
id: CVE-2026-79143
title: >-
  chromium-browser: Google Chrome FileSystem: System access bypass through
  crafted HTML and social engineering (CVE-2026-79143)
summary: >-
  A flaw was found in Google Chrome's FileSystem component. This incorrect
  authorization vulnerability allows a remote attacker to bypass system access
  restrictions. By leveraging social engineering techniques with a specially
  crafted HTML p…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cvssSource: adp
cwe:
  - CWE-863
vendor: Red Hat
product: Chrome
affected:
  - Chrome >= 152.0.7977.65 < 152.0.7977.65
published: '2026-08-25'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T07:39:33+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-79143'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-79143'
  - url: >-
      https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
  - url: 'https://issues.chromium.org/issues/514454739'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00243
epssPercentile: 0.13753
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-28T18:42:57.134598Z'
ingestedAt: '2026-09-17T23:31:20.810Z'
---

## Overview

A flaw was found in Google Chrome's FileSystem component. This incorrect authorization vulnerability allows a remote attacker to bypass system access restrictions. By leveraging social engineering techniques with a specially crafted HTML page, an attacker can exploit this flaw, leading to unauthorized access.

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79143.json)

**chromium-browser: Google Chrome FileSystem: System access bypass through crafted HTML and social engineering**. Released 2026-08-25, updated 2026-09-25.

Not affected:

- All currently supported Red Hat products

## Remediation

Refer to the advisory for fix availability.