CVE-2026-12437

Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 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)

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

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_01750511403.html	Vendor Advisory
https://issues.chromium.org/issues/516496659	Permissions Required

Configurations

Configuration 1 (hide)

AND

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

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

18 Jun 2026, 13:47

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-17 13:19

Updated : 2026-06-18 13:47

NVD link : CVE-2026-12437

Mitre link : CVE-2026-12437

CVE.ORG link : CVE-2026-12437

JSON object : View

Products Affected

google

chrome

microsoft

windows

CWE

CWE-416

Use After Free

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