Missing authorization in Actor in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Fix
Microsoft's update · Low
- Release Notes — Microsoft Edge (Chromium-based) · build 155.0.4283.45
From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-11-01.
Patch, vendor advisory and mitigation references on NVD 1
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.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 1
- First seenCVSS 8.3 · googleNVD modified 2026-10-08 13:06
Affected (CPE criteria) 1
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References 2
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html Release Notes, Vendor Advisory
- https://issues.chromium.org/issues/502282293 Permissions Required