Use After Free Vulnerability in QUIC Protocol in Google Chrome
CVE-2026-9114

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
20 May 2026

What is CVE-2026-9114?

A use after free vulnerability was identified in the QUIC protocol implementation within Google Chrome, allowing remote attackers to execute arbitrary code by sending specially crafted network traffic. This flaw can potentially lead to security breaches, making it essential for users to update their browsers to the latest version to mitigate risks 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/495798630

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

.