---
title: "CVE-2026-91711: Google Chrome - Remote Code Execution"
description: "Google Chrome < 153.0.8010.47 contains an out of bounds write in ServiceWorker caused by improper memory handling, letting remote attackers execute arbitrary code inside the sandbox via crafted HTML pages."
url: https://panop.io/threat-heartbeat/CVE-2026-91711/
---

# CVE-2026-91711 Google Chrome - Remote Code Execution

Google Chrome < 153.0.8010.47 contains an out of bounds write in ServiceWorker caused by improper memory handling, letting remote attackers execute arbitrary code inside the sandbox via crafted HTML pages.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.31% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91711)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to version 153.0.8010.47 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91711](https://nvd.nist.gov/vuln/detail/CVE-2026-91711)
- [https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop\_0541751186.html](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html)
- [https://issues.chromium.org/issues/558342353](https://issues.chromium.org/issues/558342353)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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