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8.3 High

CVE-2026-12034 Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 149.0.7827.115…

Description

Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Affected products and versions

Product Affected versions Fixed in
Chrome 149.0 earliest → < 149.0.7827.115 149.0.7827.115

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