CVE-2026-121217 Details
Description
Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)
A use-after-free vulnerability has been identified in the streaming component of Google Chrome, affecting versions prior to 157.0.8103.38. This vulnerability allows an adjacent attacker to execute arbitrary code within the sandboxed environment of the browser, using crafted network traffic. The issue arises from improper memory management, where the application continues to use a resource that has already been released, creating opportunities for exploitation.
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 4, 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/500600456 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google chrome | < 157.0.8103.38 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 5, 2026 | Initial Analysis | [email protected] |
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Nov 4, 2026 | CVE Modified | CISA-ADP |
| Nov 3, 2026 | New CVE Received | [email protected] |