CVE-2026-15902: High Use after free in Cast

Published Jul 18, 2026
·
Updated

Chromium: CVE-2026-15902 Use after free in Cast

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 Cast in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

MITRE

Affected Software

3 affected componentsFixes available
Microsoft Edge (Chromium-based)<150.0.4078.83
150.0.4078.83
Microsoft Edge<150.0.4078.83
Google Chrome<150.0.7871.128

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 150.0.4078.83
  2. Upgrade

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

    Fixed in 150.0.7871.128
  3. Upgrade

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

    Fixed in 150.0.7871.128

Event History

Jul 18, 2026
CVE Published
via Microsoft·12:42 AM
Data Sourced
via Microsoft·12:42 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:42 AM
DescriptionAffected Software
Jul 20, 2026
CVE Published
via MITRE·10:31 PM
Data Sourced
via MITRE·10:31 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 10, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-15902?

The severity of CVE-2026-15902 is rated as high with a score of 7.

2

How do I fix CVE-2026-15902?

To fix CVE-2026-15902, upgrade to the latest version of Google Chrome that addresses this vulnerability.

3

What software is affected by CVE-2026-15902?

CVE-2026-15902 affects Google Chrome.

4

What type of vulnerability is CVE-2026-15902?

CVE-2026-15902 is classified as a Use After Free vulnerability.

5

When was CVE-2026-15902 published?

CVE-2026-15902 was published on June 10, 2026.

Contact

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