CVE-2026-15769: Insufficient validation of untrusted input in Linux Toolkit Theming on 2026-06-03

Published Jun 3, 2026
·
Updated

Chromium: CVE-2026-15769 Insufficient validation of untrusted input in Linux Toolkit Theming

Other sources

Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 150.0.7871.125 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)

— NVD

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

Credit

Google

Affected Software

5 affected components
Google Google Chrome<150.0.7871.125
All of the following
Google Chrome<150.0.7871.125
Linux Linux kernel
Microsoft Edge (Chromium-based)
Microsoft Edge<150.0.4078.80

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 150.0.7871.125
  2. Compensating control

    If possible, reduce the risk of a compromised renderer by restricting exposure to untrusted HTML content (e.g., limit browsing of untrusted pages) until Chromium is updated.

Event History

Jul 14, 2026
CVE Published
via MITRE·08:09 PM
Data Sourced
via MITRE·08:09 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 16, 2026
Data Sourced
12:00 AM
SeverityWeakness
Jul 17, 2026
Data Sourced
via Microsoft·01:36 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:36 AM
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-2026-15769?

CVE-2026-15769 has a high severity rating of 8.3 on the CVSS scale.

2

How do I fix CVE-2026-15769?

To fix CVE-2026-15769, update Google Chrome to version 150.0.7871.125 or later.

3

What types of systems are affected by CVE-2026-15769?

CVE-2026-15769 affects the Linux version of Google Chrome prior to version 150.0.7871.125.

4

What attack vector is associated with CVE-2026-15769?

CVE-2026-15769 can be exploited via a remote attack using a crafted HTML page.

5

What impact does CVE-2026-15769 have on security?

CVE-2026-15769 may allow a remote attacker to perform a sandbox escape, compromising system security.

Company

Resources

Contact

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