CVE-2026-6361: Heap buffer overflow in PDFium

Published Apr 6, 2026
·
Updated

Chromium: CVE-2026-6361 Heap buffer overflow in PDFium

Other sources

Heap buffer overflow in PDFium in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)

— MITRE

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

Credit

Google

Affected Software

4 affected componentsFixes available
Google Chrome<147.0.7727.101
147.0.7727.101
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<147.0.3912.72
Google Chrome<147.0.7727.101

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 147.0.7727.101
  2. Upgrade

    Upgrade Google Chrome / Chromium (PDFium) on Windows to a version that resolves this vulnerability.

    Fixed in 147.0.7727.101
  3. Upgrade

    Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 147.0.7727.101

Event History

Apr 6, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Apr 15, 2026
CVE Published
via MITRE·07:04 PM
Data Sourced
via MITRE·07:04 PM
DescriptionWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 17, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Jul 20, 58298
Event
via FIRST·08:08 PM

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-2026-6361?

CVE-2026-6361 is classified as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2026-6361?

To fix CVE-2026-6361, upgrade Google Chrome to version 147.0.7727.101 or later.

3

What are the potential impacts of CVE-2026-6361?

The potential impacts of CVE-2026-6361 include arbitrary code execution within the browser's sandbox environment.

4

Which versions of Google Chrome are affected by CVE-2026-6361?

Google Chrome versions prior to 147.0.7727.101 are affected by CVE-2026-6361.

5

Is Microsoft Edge impacted by CVE-2026-6361?

Yes, Microsoft Edge (Chromium-based) versions prior to 147.0.3912.72 are also impacted by CVE-2026-6361.

Company

Resources

Contact

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