Is CVE-2026-7339 actively exploited?

CVE-2026-7339 has no public evidence of in-the-wild exploitation as of 2026-04-30.

What is the CVSS score for CVE-2026-7339?

CVE-2026-7339 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-7339?

Patch guidance is available from google security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-7339.

Fix CVE-2026-7339 - HIGH google chrome

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122

Metadata

Primary Vendor: GOOGLE
Published: 4/28/2026
Last Modified: 4/30/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-7339

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary