Use after free in CSS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Fix
Public exploits 1
- notthemystery/CVE-2026-6300-PoC PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.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 8.8 · googleNVD modified 2026-10-26 00:10
Affected (CPE criteria) 1
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References 2
- https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html Release Notes, Vendor Advisory
- https://issues.chromium.org/issues/491994185 Permissions Required