Vulnerability 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)
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 149.0.7827.115 | |
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_Vendor Advisory
- https://issues.chromium.org/issues/519258799Issue TrackingPermissions Required
FAQ
What is CVE-2026-12034?
CVE-2026-12034 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 ...
How severe is CVE-2026-12034?
CVE-2026-12034 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-12034?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Linux Linux Kernel.