CVE-2026-9111: Use after free in WebRTC
Chromium: CVE-2026-9111 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 on Linux prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
— 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 (Google Chrome / Edge 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-2026-9111?
CVE-2026-9111 has a high severity rating of 8.8 according to the CVSS 3.1 scoring system.
How do I fix CVE-2026-9111?
To fix CVE-2026-9111, update Google Chrome or Microsoft Edge to the latest version available.
What systems are affected by CVE-2026-9111?
CVE-2026-9111 affects Google Chrome on Linux prior to version 148.0.7778.179 and Chromium-based Microsoft Edge.
What type of vulnerability is CVE-2026-9111?
CVE-2026-9111 is categorized as a 'Use After Free' vulnerability in WebRTC.
What impact does CVE-2026-9111 have on security?
CVE-2026-9111 could potentially allow an attacker to execute arbitrary code, leading to significant security risks.