CVE-2026-12034

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 v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html	Vendor Advisory
https://issues.chromium.org/issues/519258799	Issue Tracking Permissions Required

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-11 22:16

Updated : 2026-06-17 10:14

NVD link : CVE-2026-12034

Mitre link : CVE-2026-12034

CVE.ORG link : CVE-2026-12034

JSON object : View

Products Affected

linux

linux_kernel

google

chrome

CWE

CWE-20

Improper Input Validation

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