CVE-2026-12027

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)

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

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/517517155	Issue Tracking Permissions Required

Configurations

Configuration 1 (hide)

AND

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

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Implementación inapropiada en Headless en Google Chrome anterior a 149.0.7827.115 permitió a un atacante remoto que había comprometido el proceso de renderizado realizar potencialmente un escape de sandbox a través de una página HTML manipulada. (Gravedad de seguridad de Chromium: Alta)

Information

Published : 2026-06-11 22:16

Updated : 2026-10-26 11:10

NVD link : CVE-2026-12027

Mitre link : CVE-2026-12027

CVE.ORG link : CVE-2026-12027

JSON object : View

Products Affected

google

chrome

linux

linux_kernel

apple

macos

microsoft

windows

CWE

CWE-250

Execution with Unnecessary Privileges

CWE-693

Protection Mechanism Failure

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