CVE-2026-79266: Use after free in DevTools

Published Jul 21, 2026
·
Updated

Chromium: CVE-2026-79266 Use after free in DevTools

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 DevTools in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)

— NVD

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 (DevTools) to a version that resolves this vulnerability.

    Fixed in 152.0.7977.65

Event History

Jul 21, 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 vulnerability?

The attacker needs to use a crafted Chrome extension and rely on social engineering to get the target to interact with it. Successful exploitation allows arbitrary code execution inside the Chrome sandbox.

2

Which Chrome versions need to be updated?

Google Chrome versions earlier than 152.0.7977.65 are affected. Update Chrome to 152.0.7977.65 or later.

3

What can be done while an update is pending?

Avoid installing or interacting with untrusted Chrome extensions, particularly extensions delivered through unsolicited messages or other social-engineering attempts. Review installed extensions and remove any that are untrusted or unnecessary.

Company

Resources

Contact

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