What is the CVSS score of CVE-2026-6299?

CVE-2026-6299 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Is there a patch available for CVE-2026-6299?

Yes, a patch is available for CVE-2026-6299. Update the affected software to the latest version immediately.

Google CVE-2026-6299

EUVD-2026-23040 HIGH

Use After Free (CWE-416)

2026-04-15 Chrome

GHSA-3347-qjpp-457v

RCE Denial Of Service Google Use After Free Memory Corruption

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SUSE

HIGH

qualitative

Red Hat

9.6 HIGH

qualitative

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Jul 26, 2026 - 15:16 vuln.today

CVSS changed

Apr 15, 2026 - 20:22 NVD

8.8 (HIGH)

Patch released

Apr 15, 2026 - 19:46 nvd

Patch available

EUVD ID Assigned

Apr 15, 2026 - 19:45 euvd

EUVD-2026-23040

CVE Published

Apr 15, 2026 - 19:04 nvd

HIGH 8.8

DescriptionCVE.org

Use after free in Prerender in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

AnalysisAI

Remote code execution in Google Chrome’s Prerender feature allows attackers to execute arbitrary code on a victim's system by convincing them to visit a malicious webpage. This critical-severity vulnerability affects Chrome versions prior to 147.0.7727.101 and is rated CVSS 8.8, but has a very low EPSS exploitation likelihood and no known active exploitation.