Use after free in WebRTC in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Fix
Microsoft's update · Important
- Release Notes — Microsoft Edge (Chromium-based) · build 156.0.4314.42
From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-29.
Patch, vendor advisory and mitigation references on NVD 1
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html Release Notes, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 8
- Cpes+1 CPE criteria (now 1)NVD modified 2026-10-22 15:25
- StatusUndergoing Analysis → AnalyzedNVD modified 2026-10-22 15:25
- StatusPublished → Undergoing AnalysisNVD modified 2026-10-21 14:27
- StatusReceived → PublishedNVD modified 2026-10-20 23:31
- StatusPublished → ReceivedNVD modified 2026-10-21 00:17
- CVSS8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)NVD modified 2026-10-21 00:17
- StatusReceived → PublishedNVD modified 2026-10-20 21:01
- First seenunscoredNVD modified 2026-10-20 22:19
Affected (CPE criteria) 1
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References 2
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html Release Notes, Vendor Advisory
- https://issues.chromium.org/issues/568945639 Permissions Required