CVE-2026-10973: Uninitialized Use in Dawn

Published May 14, 2026
·
Updated

Chromium: CVE-2026-10973 Uninitialized Use in Dawn

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

Uninitialized Use in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

— MITRE

Credit

Google

Affected Software

4 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
Google Chrome<149.0.7827.53
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<149.0.4022.52

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 149.0.7827.53
  2. Compensating control

    As a mitigation while patching, avoid visiting untrusted websites or opening crafted HTML pages that could trigger cross-origin data leakage.

Event History

May 14, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:04 PM
Data Sourced
via MITRE·11:04 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jun 5, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

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-2026-10973?

The severity of CVE-2026-10973 is classified as high with a CVSS score of 7.4.

2

How do I fix CVE-2026-10973?

To fix CVE-2026-10973, update Google Chrome or Microsoft Edge to the latest version as specified in the security updates.

3

What software is affected by CVE-2026-10973?

CVE-2026-10973 affects Google Chrome and Microsoft Edge (Chromium-based).

4

What does CVE-2026-10973 exploit?

CVE-2026-10973 exploits an uninitialized use vulnerability in Dawn within Google Chrome.

5

When was CVE-2026-10973 published?

CVE-2026-10973 was published on May 14, 2026.

Company

Resources

Contact

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