CVE-2026-103630: Use after free in Google Chrome
Use after free in FedCM in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-103630 is a use-after-free vulnerability in the FedCM feature of Google Chrome. It affects versions before 154.0.8037.97 and allows remote attackers to execute arbitrary code outside the browser sandbox by delivering a specially crafted HTML page. The vulnerability was publicly disclosed and fixed by Google in the stable channel update 154.0.8037.97.
Potential Impact
Successful exploitation of this vulnerability could allow remote code execution outside the sandbox, potentially compromising the security of the affected system. This elevates the risk of an attacker gaining control beyond the browser process.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.97. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-103630: Use after free in Google Chrome
Description
Use after free in FedCM in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103630 is a use-after-free vulnerability in the FedCM feature of Google Chrome. It affects versions before 154.0.8037.97 and allows remote attackers to execute arbitrary code outside the browser sandbox by delivering a specially crafted HTML page. The vulnerability was publicly disclosed and fixed by Google in the stable channel update 154.0.8037.97.
Potential Impact
Successful exploitation of this vulnerability could allow remote code execution outside the sandbox, potentially compromising the security of the affected system. This elevates the risk of an attacker gaining control beyond the browser process.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.97. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-30T23:12:22.943Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6abfd8f5a43b0b3b89d5a0eb
Added to database: 10/02/2026, 16:16:53 UTC
Last enriched: 10/02/2026, 16:31:16 UTC
Last updated: 10/03/2026, 04:01:50 UTC
Views: 11
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