CVE-2026-12016

chromium-browser: chromium-browser: Insufficient validation of untrusted input  DevTools

Published Jun 11, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6344-1 chromium security update
History
Type Values Removed Values Added
Title Inappropriate Implementation in Chrome DevTools Allows Sandbox Escape via Compromised Renderer Process chromium-browser: chromium-browser: Insufficient validation of untrusted input  DevTools
Weaknesses CWE-501
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title Inappropriate Implementation in Chrome DevTools Allows Sandbox Escape via Compromised Renderer Process
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Type Values Removed Values Added
Title Remote Sandbox Escape via DevTools in Google Chrome
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'}

Type Values Removed Values Added
Title Remote Sandbox Escape via DevTools in Google Chrome
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 12, 2026, 3:56 AM
Reserved
Jun 11, 2026, 6:16 PM
Status
Analyzed
Published
Jun 11, 2026, 10:16 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Important
Public date
Jun 11, 2026, 8:48 PM