CVE-2026-79221: Uninitialized resource in Dawn

Published Jul 9, 2026
·
Updated

Chromium: CVE-2026-79221 Uninitialized resource 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 resource in Dawn in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

Credit

Google

Affected Software

5 affected componentsFixes available
Google Google Chrome<152.0.7977.65
Google Chrome<152.0.7977.64
152.0.7977.64
Microsoft Edge<152.0.4191.53
Microsoft Edge (Chromium-based)<152.0.4191.53
152.0.4191.53
Google Chrome<152.0.7977.65

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 152.0.7977.64
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 152.0.4191.53
  3. Upgrade

    Upgrade Chromium/Google Chrome (Dawn) to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65
  4. Upgrade

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

    Fixed in 152.0.7977.65

Event History

Jul 9, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Aug 25, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
Aug 28, 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.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

The attacker needs to cause a user to load a crafted HTML page. The disclosed impact is potential memory disclosure inside the browser sandbox.

2

Which Chrome versions should be treated as affected?

Google Chrome versions prior to 152.0.7977.65 are affected according to the available information. Update Chrome to 152.0.7977.65 or later.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203