CVE-2026-103623: Use after free in Google Chrome
Use after free in MediaStream in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the MediaStream functionality of Google Chrome before version 154.0.8037.97. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution inside the sandboxed environment of the browser. The issue has been publicly disclosed and patched by Google in the stable channel update 154.0.8037.97.
Potential Impact
Successful exploitation can lead to arbitrary code execution within the sandbox of the Chrome browser, potentially allowing an attacker to execute malicious code remotely. However, the sandbox environment limits the scope of impact to the browser context.
Mitigation Recommendations
An official fix is available. Users and administrators should update Google Chrome to version 154.0.8037.97 or later to remediate this vulnerability. Refer to the vendor advisory at https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html for update instructions.
CVE-2026-103623: Use after free in Google Chrome
Description
Use after free in MediaStream in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the MediaStream functionality of Google Chrome before version 154.0.8037.97. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution inside the sandboxed environment of the browser. The issue has been publicly disclosed and patched by Google in the stable channel update 154.0.8037.97.
Potential Impact
Successful exploitation can lead to arbitrary code execution within the sandbox of the Chrome browser, potentially allowing an attacker to execute malicious code remotely. However, the sandbox environment limits the scope of impact to the browser context.
Mitigation Recommendations
An official fix is available. Users and administrators should update Google Chrome to version 154.0.8037.97 or later to remediate this vulnerability. Refer to the vendor advisory at https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html for update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-30T23:12:15.202Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6abfd8f3a43b0b3b89d5971f
Added to database: 10/02/2026, 16:16:51 UTC
Last enriched: 10/02/2026, 16:31:41 UTC
Last updated: 10/03/2026, 04:01:50 UTC
Views: 12
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