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CVE-2026-7339 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 29, 2026

Google Chrome - Buffer Overflow

Published: April 28, 2026Updated: April 29, 2026Remote Exploitable

Overview

Google Chrome < 147.0.7727.138 contains a heap buffer overflow in WebRTC caused by improper heap handling, letting remote attackers potentially exploit heap corruption via crafted HTML pages, exploit requires no special privileges.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Remote attackers can exploit heap corruption, potentially leading to code execution or browser crash.

Mitigation

Update to version 147.0.7727.138 or later.

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
https://issues.chromium.org/issues/493957495

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-7339
Severity: High
CVSS Score: 8.8
Type: buffer_overflow
Status: new

CWE

CWE-122

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H