CVE-2026-11655: Integer overflow in Google Chrome
An integer overflow vulnerability exists in the Media component of Google Chrome on Mac platforms prior to version 149.0.7827.103. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The vulnerability is rated with high severity and has a CVSS score of 8.3.
AI Analysis
Technical Summary
CVE-2026-11655 is an integer overflow vulnerability in the Media component of Google Chrome on Mac systems before version 149.0.7827.103. Exploitation requires prior compromise of the renderer process and could enable a sandbox escape through a specially crafted HTML page. The vulnerability has a high severity rating (CVSS 8.3) and affects the security boundary of the browser sandbox.
Potential Impact
Successful exploitation allows a remote attacker with control over the renderer process to potentially escape the Chrome sandbox, which could lead to elevated privileges and further system compromise on Mac devices running affected versions of Chrome.
Mitigation Recommendations
A fixed version is available: Chrome 149.0.7827.103. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory confirms the availability of this update. No additional mitigations are specified.
CVE-2026-11655: Integer overflow in Google Chrome
Description
An integer overflow vulnerability exists in the Media component of Google Chrome on Mac platforms prior to version 149.0.7827.103. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The vulnerability is rated with high severity and has a CVSS score of 8.3.
CVSS v3.1
Score 8.3high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11655 is an integer overflow vulnerability in the Media component of Google Chrome on Mac systems before version 149.0.7827.103. Exploitation requires prior compromise of the renderer process and could enable a sandbox escape through a specially crafted HTML page. The vulnerability has a high severity rating (CVSS 8.3) and affects the security boundary of the browser sandbox.
Potential Impact
Successful exploitation allows a remote attacker with control over the renderer process to potentially escape the Chrome sandbox, which could lead to elevated privileges and further system compromise on Mac devices running affected versions of Chrome.
Mitigation Recommendations
A fixed version is available: Chrome 149.0.7827.103. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory confirms the availability of this update. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-08T21:33:41.664Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html","vendor":"Google"}]
Threat ID: 6a2754e3e29bf47b50c4af65
Added to database: 06/08/2026, 23:48:51 UTC
Last enriched: 06/16/2026, 08:15:10 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 34
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