Is CVE-2026-6311 actively exploited?

CVE-2026-6311 has no public evidence of in-the-wild exploitation as of 2026-04-17.

What is the CVSS score for CVE-2026-6311?

CVE-2026-6311 has a CVSS score of 8.3 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

How do I patch CVE-2026-6311?

Patch guidance is available from google security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-6311.

Fix CVE-2026-6311 - HIGH google chrome

Description

Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-457

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-2026-6311

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary