---
id: CVE-2026-5903
title: >-
  Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed
  a remote attacker who convinced a user to engage in specific UI gestures to
  bypass navigation restrictions via a crafted HTML page
summary: >-
  Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed
  a remote attacker who convinced a user to engage in specific UI gestures to
  bypass navigation restrictions via a crafted HTML page. (Chromium security
  severit…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'
cwe:
  - CWE-693
vendor: google
product: chrome
affected:
  - chrome < 147.0.7727.55
patched:
  - chrome 147.0.7727.55
published: '2026-04-08'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-5903'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/483771899'
    label: chrome-cve-admin@google.com
tags:
  - nvd
epss: 0.00326
epssPercentile: 0.22977
ingestedAt: '2026-07-24T08:22:37.342Z'
---

## Overview

Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)

## Affected

- `chrome < 147.0.7727.55`

## Remediation

Upgrade past the affected range:

- `chrome 147.0.7727.55`