CVE-2026-9114: Use after free in QUIC
Chromium: CVE-2026-9114 Use after free in QUIC
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in QUIC in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: High)
— NVD
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 148.0.7778.178 - Upgrade
Upgrade
Google Chrome/Chromium (Edge via Chromium-based)to a version that resolves this vulnerability.Fixed in 148.0.7778.179
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-9114?
CVE-2026-9114 has a high severity rating due to its potential to allow remote code execution through malicious network traffic.
How do I fix CVE-2026-9114?
To fix CVE-2026-9114, update Google Chrome to version 148.0.7778.179 or later.
What versions of Google Chrome are affected by CVE-2026-9114?
CVE-2026-9114 affects all Google Chrome versions prior to 148.0.7778.179.
What type of vulnerability is CVE-2026-9114?
CVE-2026-9114 is classified as a use after free vulnerability in the QUIC protocol implementation in Google Chrome.
Can CVE-2026-9114 be exploited remotely?
Yes, CVE-2026-9114 can be exploited remotely through malicious network traffic.