Use after free in WebMIDI in Google Chrome on Windows 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: Critical)

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Solution

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Workaround

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History

Fri, 12 Jun 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows

Fri, 12 Jun 2026 03:45:00 +0000

Type Values Removed Values Added
Title Use After Free in WebMIDI Leads to Sandbox Escape on Windows Chrome

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
Title Use After Free in WebMIDI Leads to Sandbox Escape on Windows Chrome

Thu, 11 Jun 2026 22:45:00 +0000

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

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

Type Values Removed Values Added
Description Use after free in WebMIDI in Google Chrome on Windows 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: Critical)
Weaknesses CWE-416
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-12T00:59:20.381Z

Reserved: 2026-06-11T18:16:03.416Z

Link: CVE-2026-12011

cve-icon Vulnrichment

Updated: 2026-06-12T00:59:17.064Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-11T22:16:53.597

Modified: 2026-06-12T17:20:13.367

Link: CVE-2026-12011

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-12T03:30:12Z

Weaknesses