CVE-2026-12443: Use after free in Google Chrome
CVE-2026-12443 is a use-after-free vulnerability in the Web Authentication component of Google Chrome prior to version 149.0.7827.155. This flaw allows a remote attacker to execute arbitrary code by tricking a user into visiting a crafted HTML page. The vulnerability is classified as critical by Chromium security. A fixed version, 149.0.7827.155, is available. No known exploits in the wild have been reported at this time.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Web Authentication feature of Google Chrome before version 149.0.7827.155. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution. The issue has been addressed in Chrome version 149.0.7827.155. The vendor advisory linked provides the official patch information.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the context of the affected browser, potentially leading to full compromise of the user's environment. This elevates the risk to critical severity due to the possibility of remote code execution without user privileges.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.155 or later to remediate this vulnerability. The vendor advisory confirms the availability of this fix. No additional mitigation steps are indicated beyond applying the official update.
CVE-2026-12443: Use after free in Google Chrome
Description
CVE-2026-12443 is a use-after-free vulnerability in the Web Authentication component of Google Chrome prior to version 149.0.7827.155. This flaw allows a remote attacker to execute arbitrary code by tricking a user into visiting a crafted HTML page. The vulnerability is classified as critical by Chromium security. A fixed version, 149.0.7827.155, is available. No known exploits in the wild have been reported at this time.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Web Authentication feature of Google Chrome before version 149.0.7827.155. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution. The issue has been addressed in Chrome version 149.0.7827.155. The vendor advisory linked provides the official patch information.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the context of the affected browser, potentially leading to full compromise of the user's environment. This elevates the risk to critical severity due to the possibility of remote code execution without user privileges.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.155 or later to remediate this vulnerability. The vendor advisory confirms the availability of this fix. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-16T19:38:25.435Z
- 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: 6a31ffc30b89be68889b0142
Added to database: 6/17/2026, 2:00:35 AM
Last enriched: 6/17/2026, 2:30:14 AM
Last updated: 6/17/2026, 4:05:12 AM
Views: 4
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