What’s Vulnerable › Vulnerabilities

CVE-2026-12466

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-17 · updated 2026-10-25
• Weakness: CWE-122

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)

Affected products

• Google Chrome: before 149.0.7827.155 — fixed in 149.0.7827.155

How to fix

Upgrade to a fixed version: Google Chrome 149.0.7827.155. Check the vendor advisory for mitigations.

References

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

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