Inappropriate implementation in Headless 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)

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Fixes

Solution

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Workaround

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History

Fri, 12 Jun 2026 19:15:00 +0000

Type Values Removed Values Added
Title Headless Mode Sandbox Escape in Google Chrome

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

Type Values Removed Values Added
Title Inappropriate Headless implementation may allow sandbox escape in Chrome
Weaknesses CWE-862

Fri, 12 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/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 23:00:00 +0000

Type Values Removed Values Added
Title Inappropriate Headless implementation may allow sandbox escape in Chrome
First Time appeared Google
Google chrome
Weaknesses CWE-250
CWE-862
Vendors & Products Google
Google chrome

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

Type Values Removed Values Added
Description Inappropriate implementation in Headless 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)
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-12T13:56:43.514Z

Reserved: 2026-06-11T18:16:07.458Z

Link: CVE-2026-12027

cve-icon Vulnrichment

Updated: 2026-06-12T13:55:19.492Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-11T22:16:55.253

Modified: 2026-06-12T15:16:25.170

Link: CVE-2026-12027

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-12T19:00:21Z

Weaknesses