CVE-2026-8509: Heap buffer overflow in Google Chrome
Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)
AI Analysis
Technical Summary
This vulnerability involves a heap buffer overflow in the WebML feature of Google Chrome before version 148.0.7778.168. Exploitation requires a crafted HTML page that triggers the overflow, enabling remote code execution inside the browser's sandbox environment. The issue is recognized as critical by Chromium security but lacks a published CVSS score and explicit patch information in the provided data. The vendor advisory is referenced but does not confirm patch status within the input.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially compromising the affected system's security boundaries. No known active exploits have been reported, and the impact is limited to versions prior to 148.0.7778.168.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html for current remediation guidance. Until confirmation, users should update to version 148.0.7778.168 or later if available. No other specific mitigations are provided in the input data.
CVE-2026-8509: Heap buffer overflow in Google Chrome
Description
Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap buffer overflow in the WebML feature of Google Chrome before version 148.0.7778.168. Exploitation requires a crafted HTML page that triggers the overflow, enabling remote code execution inside the browser's sandbox environment. The issue is recognized as critical by Chromium security but lacks a published CVSS score and explicit patch information in the provided data. The vendor advisory is referenced but does not confirm patch status within the input.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially compromising the affected system's security boundaries. No known active exploits have been reported, and the impact is limited to versions prior to 148.0.7778.168.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html for current remediation guidance. Until confirmation, users should update to version 148.0.7778.168 or later if available. No other specific mitigations are provided in the input data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-14T05:40:09.815Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html","vendor":"Google"}]
Threat ID: 6a062b58ec166c07b00deb53
Added to database: 5/14/2026, 8:06:48 PM
Last enriched: 5/14/2026, 9:08:25 PM
Last updated: 5/15/2026, 7:51:31 AM
Views: 6
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