PT-2026-50216 · Google · Google Chrome

Published 2026-06-17 · Updated 2026-06-18 · CVE-2026-12466

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.155

Description A heap buffer overflow exists in WebRTC in Google Chrome on Windows. A remote attacker can execute arbitrary code by inducing the victim to open a crafted HTML page. A heap buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially corrupting adjacent memory.

Recommendations Update Google Chrome to version 149.0.7827.155 or later.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-12466

Affected Products

Google Chrome

References · 5

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-12466 · Security Note
• https://t.me/CVEtracker/57067 · Telegram Post
• https://twitter.com/ptdbugs/status/2067629310077235322 · Twitter Post
• https://issues.chromium.org/issues/520199394 · Note