---
id: CVE-2026-113277
title: >-
  Out of bounds read in CustomTabs in Google Chrome on on Android prior to
  156.0.8078.47 allowed a remote attacker to read memory inside the sandbox via
  a crafted HTML page
summary: >-
  Out of bounds read in CustomTabs in Google Chrome on on Android prior to
  156.0.8078.47 allowed a remote attacker to read memory inside the sandbox via
  a crafted HTML page. (Chromium security severity: Medium)
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'
cvssSource: adp
cwe:
  - CWE-125
vendor: Google
product: Chrome
affected:
  - Chrome >= 156.0.8078.47 < 156.0.8078.47
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-21T15:35:49.021854Z'
published: '2026-10-20'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T15:37:59.284Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113277'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
  - url: 'https://issues.chromium.org/issues/552951369'
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-113277.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-113277'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-113277'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-113277'
tags:
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00316
epssPercentile: 0.24422
scores:
  adp: 6.5
  vendor: 4.3
ingestedAt: '2026-10-20T21:19:21.196Z'
---

## Overview

Out of bounds read in CustomTabs in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

## Affected

- `Chrome >= 156.0.8078.47 < 156.0.8078.47`

## Remediation

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

## Vendor advisories

- **Red Hat VEX** · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-113277.json)