CVE-2026-9905: Use after free in Accessibility

Published Apr 2, 2026
·
Updated

Chromium: CVE-2026-9905 Use after free in Accessibility

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 Accessibility in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

— MITRE

Credit

Google

Affected Software

6 affected componentsFixes available
Google Google Chrome<148.0.7778.216
Google Chrome<148.0.7778.216
148.0.7778.216
All of the following
Google Chrome<148.0.7778.216
Microsoft Windows
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<148.0.3967.96

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 148.0.7778.216
  2. Upgrade

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

    Fixed in 148.0.7778.216

Event History

Apr 2, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 28, 2026
CVE Published
via MITRE·10:25 PM
Data Sourced
via MITRE·10:25 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·11:19 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·11:19 PM
DescriptionAffected Software
Apr 28, 58520
Event
via FIRST·02:56 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-2026-9905?

The severity of CVE-2026-9905 is high with a score of 8.3 according to CVSS 3.1.

2

How do I fix CVE-2026-9905?

The best way to fix CVE-2026-9905 is to update Google Chrome or Microsoft Edge to the latest version.

3

What causes CVE-2026-9905?

CVE-2026-9905 is caused by a use after free vulnerability in the Accessibility feature of Google Chrome.

4

Which software is affected by CVE-2026-9905?

CVE-2026-9905 affects Google Chrome on Windows and Microsoft Edge which is based on Chromium.

5

What vulnerabilities are similar to CVE-2026-9905?

Vulnerabilities similar to CVE-2026-9905 typically involve use after free errors that can affect software stability and security.

Company

Resources

Contact

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