CVE-2026-91736: High Use after free in DOM

Published Sep 15, 2026
·
Updated

Chromium CVE-2026-91736: Use after free

Other sources

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases](https://chromereleases.googleblog.com/2026)) for more information.

— Microsoft

Use after free in DOM in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

— MITRE

Affected Software

3 affected componentsFixes available
Google Chrome<153.0.8010.47
Google Chrome<153.0.8010.47
Microsoft Edge (Chromium-based)<153.0.4234.46
153.0.4234.46

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 153.0.4234.46
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 153.0.8010.47

Event History

Sep 15, 2026
CVE Published
via MITRE·08:41 PM
Data Sourced
via MITRE·08:41 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Sep 18, 2026
Data Sourced
via Microsoft·04:45 AM
DescriptionSeverityWeaknessAffected Software
Oct 7, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which Chrome installations should be treated as affected?

Google Chrome versions prior to 153.0.8010.47 are affected. Verify the installed Chrome version and update to 153.0.8010.47 or later.

2

What must an attacker do to exploit this issue?

An attacker needs to induce Chrome to process a crafted HTML page. Successful exploitation can execute arbitrary code inside Chrome's sandbox.

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