Use After Free in Google Chrome on Windows

Publication date: 2026-06-17

Last updated on: 2026-06-18

Assigner: Chrome

Description

Use after free in DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-17

Last Modified

2026-06-18

Generated

2026-07-07

AI Q&A

2026-06-17

EPSS Evaluated

2026-07-06

NVD

CVE-2026-12440

EUVD

EUVD-2026-37525

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.155 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use-after-free issue in the DigitalCredentials component of Google Chrome on Windows versions prior to 149.0.7827.155. It allows a remote attacker to potentially escape the browser's sandbox by crafting a malicious HTML page.

Impact Analysis

Exploitation of this vulnerability can allow an attacker to escape the sandbox environment of the browser, which may lead to full compromise of the affected system. This includes the ability to execute arbitrary code with elevated privileges, potentially resulting in data theft, system damage, or further attacks.

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