Heap Buffer Overflow in WebRTC on Google Chrome
CVE-2026-9119

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
20 May 2026

What is CVE-2026-9119?

A heap buffer overflow vulnerability exists in the WebRTC module of Google Chrome, preceding version 148.0.7778.179. This flaw could be exploited by a remote attacker to execute arbitrary code within a sandbox environment by leveraging a specially crafted HTML page. As a result, elevated privileges may be attained, posing a significant security risk. Users are urged to upgrade to the latest version to mitigate the potential threats associated with this vulnerability.

Affected Version(s)

Chrome 148.0.7778.179

References

https://chromereleases.googleblog.com/2026/05/stable-chan...
https://issues.chromium.org/issues/502661101

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.