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)
History

Fri, 12 Jun 2026 02:45:00 +0000

Type Values Removed Values Added
Title Insufficient Input Validation in Chrome's Linux Toolkit Theming Allows Sandbox Escape

Fri, 12 Jun 2026 01:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 11 Jun 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 11 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
Title Insufficient Input Validation in Chrome's Linux Toolkit Theming Allows Sandbox Escape

Thu, 11 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
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)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-06-11T20:48:14.479Z

Updated: 2026-06-12T03:55:54.028Z

Reserved: 2026-06-11T18:16:09.122Z

Link: CVE-2026-12034

cve-icon Vulnrichment

Updated: 2026-06-12T01:04:18.618Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-11T22:16:55.987

Modified: 2026-06-12T13:08:47.310

Link: CVE-2026-12034

cve-icon Redhat

No data.