SB2026031214 - Multiple vulnerabilities in Google ChromeOS LTS

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2026-3545)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when processing HTML content in Navigation. A remote attacker can trick the victim to open a specially crafted web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Improperly implemented security check for standard (CVE-ID: CVE-2026-3541)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in CSS in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

3) Improperly implemented security check for standard (CVE-ID: CVE-2026-3542)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in WebAssembly in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Remediation

Install update from vendor's website.

References

• https://chromereleases.googleblog.com/2026/03/long-term-support-channel-update-for.html