CVE-2026-12440: Use after free in Google Chrome
A use-after-free vulnerability exists in the DigitalCredentials component of Google Chrome on Windows versions prior to 149.0.7827.155. This vulnerability could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The issue is classified as critical by Chromium security. A fixed version 149.0.7827.155 is available.
AI Analysis
Technical Summary
CVE-2026-12440 is a use-after-free vulnerability in the DigitalCredentials feature of Google Chrome on Windows platforms. This flaw allows a remote attacker to potentially perform a sandbox escape by delivering a specially crafted HTML page. The vulnerability affects Chrome versions before 149.0.7827.155. Although no CVSS score is provided, the Chromium security team rates this issue as critical. The vendor has released Chrome version 149.0.7827.155 to address this vulnerability.
Potential Impact
Successful exploitation could allow a remote attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges on the affected system. This increases the risk of system compromise beyond the browser context.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.155 or later, which contains the fix for this vulnerability. No other mitigation or temporary workaround is indicated by the vendor advisory.
CVE-2026-12440: Use after free in Google Chrome
Description
A use-after-free vulnerability exists in the DigitalCredentials component of Google Chrome on Windows versions prior to 149.0.7827.155. This vulnerability could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The issue is classified as critical by Chromium security. A fixed version 149.0.7827.155 is available.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-12440 is a use-after-free vulnerability in the DigitalCredentials feature of Google Chrome on Windows platforms. This flaw allows a remote attacker to potentially perform a sandbox escape by delivering a specially crafted HTML page. The vulnerability affects Chrome versions before 149.0.7827.155. Although no CVSS score is provided, the Chromium security team rates this issue as critical. The vendor has released Chrome version 149.0.7827.155 to address this vulnerability.
Potential Impact
Successful exploitation could allow a remote attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges on the affected system. This increases the risk of system compromise beyond the browser context.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.155 or later, which contains the fix for this vulnerability. No other mitigation or temporary workaround is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-16T19:38:24.292Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html","vendor":"Google"}]
Threat ID: 6a31ffc30b89be68889b0136
Added to database: 6/17/2026, 2:00:35 AM
Last enriched: 6/17/2026, 2:30:25 AM
Last updated: 6/17/2026, 5:01:30 AM
Views: 4
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