CVE-2026-12466

State: Published
Severity: 8.8 High
Published: Jun 17, 2026
Updated: Jun 18, 2026
Reserved: Jun 16, 2026

Description

Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-122 Heap buffer overflow

Affected Products

Product	Versions
ChromeGoogle	149.0.7827.155 to before 149.0.7827.155Affected

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html
https://issues.chromium.org/issues/520199394

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