CVE-2026-84347: Use after free in WebRTC
Chromium: CVE-2026-84347 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 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
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 152.0.7977.75 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 152.0.4191.62 - Upgrade
Upgrade
Google Chrome / Chromium (WebRTC)to a version that resolves this vulnerability.Fixed in 152.0.7977.75
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-84353
- CVE-2026-84352
- CVE-2026-84354
- CVE-2026-84359
- CVE-2026-84357
- CVE-2026-84324
- CVE-2026-84349
- CVE-2026-84326
- CVE-2026-84333
- CVE-2026-84351
- CVE-2026-84325
- CVE-2026-84328
- CVE-2026-84323
- CVE-2026-84355
- CVE-2026-84358
- CVE-2026-84332
- CVE-2026-84330
- CVE-2026-84334
- CVE-2026-84348
- CVE-2026-84335
- CVE-2026-84327
- CVE-2026-84329
- CVE-2026-84356
- CVE-2026-84350
- CVE-2026-84331
Frequently Asked Questions
Which Chrome versions need to be updated?
Google Chrome versions prior to 152.0.7977.75 are affected. Update to 152.0.7977.75 or later.
What must an attacker do to exploit this issue?
An attacker would need to induce a user to load a crafted HTML page. Successful exploitation can execute arbitrary code inside the Chrome sandbox.
Does this vulnerability provide a sandbox escape?
The available information states that code execution occurs inside the sandbox. It does not state that the vulnerability bypasses or escapes the sandbox.