---
id: CVE-2026-87491
title: >-
  Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a
  remote attacker to execute arbitrary code inside the sandbox via a crafted
  HTML page
summary: >-
  Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a
  remote attacker to execute arbitrary code inside the sandbox via a crafted
  HTML page. (Chromium security severity: Medium)
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: google
product: chrome
affected:
  - chrome < 153.0.8010.36
patched:
  - chrome 153.0.8010.36
published: '2026-09-09'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T13:17:11.283'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87491'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/543557673'
    label: chrome-cve-admin@google.com
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87491.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-87491'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-87491'
tags:
  - nvd
  - cve.org
  - in-the-wild
  - exploit-available
  - kev
  - csaf
  - vex
  - red-hat
exploited: true
exploitAvailable: true
ssvc:
  exploitation: active
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T03:55:21.039385Z'
epss: 0.00997
epssPercentile: 0.60708
kev: true
kevDateAdded: '2026-09-09'
kevDueDate: '2026-09-23'
kevRansomware: false
exploits:
  github: 1
  githubRepos:
    - >-
      https://github.com/SneakyNachos/CVE-2026-87491-and-CVE-2026-85046-the-bagel-fell-off-the-counter
  checkedAt: '2026-09-21T13:37:57.313Z'
zeroDay: true
ingestedAt: '2026-09-09T01:17:17.511Z'
---

## Overview

Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

## Affected

- `chrome < 153.0.8010.36`

## Remediation

Upgrade past the affected range:

- `chrome 153.0.8010.36`

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87491.json)