Is CVE-2026-6313 actively exploited?

CVE-2026-6313 has no public evidence of in-the-wild exploitation as of 2026-04-17.

What is the CVSS score for CVE-2026-6313?

CVE-2026-6313 has a CVSS score of 3.1 (LOW severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.

How do I patch CVE-2026-6313?

Patch guidance is available from google security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-6313.

CVE-2026-6313 - remediation guidance & executive summary

Description

Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-284

Metadata

Primary Vendor: GOOGLE
Published: 4/15/2026
Last Modified: 4/17/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-6313

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary