CVE-2026-11670: High Use after free in PDF

Published May 21, 2026
·
Updated

Chromium: CVE-2026-11669 Integer overflow in Media

Other sources

This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Use after free in PDF in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)

— NVD

Credit

Google

Affected Software

7 affected componentsFixes available
Google Chrome<149.0.7827.103
Microsoft Edge<149.0.4022.62
All of the following
Google Chrome<149.0.7827.103
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge (Chromium-based)<149.0.4022.62
149.0.4022.62

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 149.0.4022.62
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.103
  3. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 149.0.7827.103

Event History

Jun 8, 2026
CVE Published
via MITRE·11:27 PM
Data Sourced
via MITRE·11:27 PM
DescriptionWeakness
Jun 9, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Jun 16, 2026
Data Sourced
via Microsoft·02:14 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:14 AM
DescriptionAffected Software
Jul 28, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11670?

CVE-2026-11670 has a high severity score of 8.8 according to CVSS 3.1.

2

How do I fix CVE-2026-11670?

To fix CVE-2026-11670, update Google Chrome to version 149.0.7827.103 or later.

3

What type of vulnerability is CVE-2026-11670?

CVE-2026-11670 is a Use After Free vulnerability in the PDF component of Google Chrome.

4

What impact does CVE-2026-11670 have on users?

CVE-2026-11670 allows remote attackers to execute arbitrary code inside a sandboxed environment via a crafted PDF file.

5

Which software is affected by CVE-2026-11670?

CVE-2026-11670 affects Google Chrome versions prior to 149.0.7827.103.

Company

Resources

Contact

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