What is the CVSS score of CVE-2026-6300?

CVE-2026-6300 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-2026-6300?

Yes, a patch is available for CVE-2026-6300. Update the affected software to the latest version immediately.

Google CVE-2026-6300

EUVD-2026-23042 HIGH

Use After Free (CWE-416)

2026-04-15 Chrome

GHSA-9w25-v364-3jpm

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

8.8 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 - 15:15 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-2026-23042

CVE Published

Apr 15, 2026 - 19:04 nvd

HIGH 8.8

DescriptionCVE.org

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)

AnalysisAI

Use-after-free in CSS in Google Chrome prior to 147.0.7727.101 enables a remote attacker to execute arbitrary code inside the Chrome sandbox via a crafted HTML page. No public exploit code or active exploitation is currently known, and EPSS predicts extremely low exploitation probability (0.03%).