CVE-2026-121256 Details
Description
Use of released resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
A buffer overflow vulnerability has been identified in the GPU component of Google Chrome, specifically in versions prior to 157.0.8103.38. This vulnerability allows a remote attacker who has compromised the renderer process to potentially execute arbitrary code outside the sandbox by using a crafted HTML page.
Users can update to Google Chrome version 157.0.8103.38 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 Nov 5, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html | [email protected] | Release NotesVendor Advisory |
| https://issues.chromium.org/issues/511768565 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-672 | Operation on a Resource after Expiration or Release | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google chrome | < 157.0.8103.38 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Nov 4, 2026 | Initial Analysis | [email protected] |
| Nov 3, 2026 | CVE Modified | CISA-ADP |
| Nov 3, 2026 | New CVE Received | [email protected] |