CVE-2026-12437 Details
Description
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)
A use-after-free vulnerability has been identified in the WebShare feature of Google Chrome on Windows, in versions prior to 149.0.7827.155. This vulnerability could allow a remote attacker who has compromised the renderer process to perform a sandbox escape by using a crafted HTML page.
Users can update to Google Chrome version 149.0.7827.155 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 17, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html | [email protected] | Vendor Advisory |
| https://issues.chromium.org/issues/516496659 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google chrome | < 149.0.7827.155 |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 18, 2026 | Initial Analysis | [email protected] |
| Jun 18, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | New CVE Received | [email protected] |