CVE-2026-126899: Use after free in Elements

Published Nov 7, 2026
·
Updated

Use after free in Elements in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Credit

Google

Affected Software

5 affected componentsFixes available
Google Chrome<157.0.8103.78
157.0.8103.78
debian/chromium*
debian/chromium*
debian/chromium*
debian/chromium<=150.0.7871.100-1~deb12u1, <=156.0.8078.79-1~deb12u1, <=150.0.7871.181-1~deb13u1, <=156.0.8078.79-1~deb13u1, <=156.0.8078.79-1

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 157.0.8103.78

Event History

Nov 7, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Nov 11, 2026
CVE Published
via MITRE·10:39 PM
Data Sourced
via MITRE·10:39 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionWeakness
Data Sourced
via OSV·11:17 PM
DescriptionAffected Software
Event
via NVD·11:17 PM
Nov 12, 2026
Data Sourced
via NVD·05:17 PM
Severity

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What does an attacker need to do to exploit this issue?

An attacker needs to convince a user to interact with a crafted HTML page. Successful exploitation allows arbitrary code execution inside the Chrome sandbox.

2

Which Chrome versions are affected?

Google Chrome versions prior to 157.0.8103.78 are affected. Updating to 157.0.8103.78 or later addresses the affected version range described.

3

Is exploitation described as escaping the browser sandbox?

No. The available information states that arbitrary code execution occurs inside the sandbox; it does not state that this issue alone provides a sandbox escape.

Contact

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