Use After Free Vulnerability in Google Chrome
CVE-2026-6300

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
15 April 2026

What is CVE-2026-6300?

A use after free vulnerability in the CSS handling of Google Chrome versions prior to 147.0.7727.101 enables remote attackers to execute arbitrary code. This vulnerability can be triggered through a maliciously crafted HTML document, allowing unauthorized actions within a sandboxed environment, which may lead to significant security breaches.

Affected Version(s)

Chrome 147.0.7727.101

References

https://chromereleases.googleblog.com/2026/04/stable-chan...
https://issues.chromium.org/issues/491994185

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.