CVE-2026-9120: Use after free in WebRTC
Chromium: CVE-2026-9120 Use after free in WebRTC
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 WebRTC in Google Chrome prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (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
Chromium-based browsers (Edge/Chrome) - WebRTCto 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-2026-9120?
CVE-2026-9120 has a high severity rating due to the potential for remote code execution.
How do I fix CVE-2026-9120?
To fix CVE-2026-9120, update Google Chrome to version 148.0.7778.179 or later.
What does CVE-2026-9120 affect?
CVE-2026-9120 affects Google Chrome versions prior to 148.0.7778.179.
Can CVE-2026-9120 be exploited remotely?
Yes, CVE-2026-9120 can be exploited remotely via a crafted HTML page.
What kind of vulnerability is CVE-2026-9120?
CVE-2026-9120 is classified as a use after free vulnerability in WebRTC.