CVE-2026-12466
published 2026-06-17CVE-2026-12466: 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…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.43%
35.0th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | >= 149.0.7827.155 < 149.0.7827.155 | 149.0.7827.155 | |
| chrome_desktop | — | — |
CVSS provenance
cvelistv5v3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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CVEList
CVE-2026-12466: Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149
cvelistv5·2026-06-17·CVSS 8.8
CVE-2026-12466 [HIGH] CWE-122 CVE-2026-12466: Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149
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)
GHSA
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.
ghsa_unreviewed·2026-06-17
CVE-2026-12466 [HIGH] CWE-122 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.
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)
Red Hat
chromium-browser: webrtc: chromium-browser: Heap buffer overflow in WebRTC
vendor_redhat·2026-06-17·CVSS 8.8
CVE-2026-12466 [HIGH] CWE-787 chromium-browser: webrtc: chromium-browser: Heap buffer overflow in WebRTC
chromium-browser: webrtc: chromium-browser: Heap buffer overflow in WebRTC
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)
A heap buffer overflow flaw was found in the WebRTC component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=520199394
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-12464
vendor_chrome·2026-06-16
CVE-2026-12464 [HIGH] Stable Channel Update for Desktop: CVE-2026-12464
Stable Channel Update for Desktop
CVE-2026-12464: Use after free in Browser. Reported by Google on 2026-06-03 [N/A][ 520189702 ] High CVE-2026-12465: Insufficient validation of untrusted input in Metrics
Reported by Google on 2026-06-05 [N/A][ 520199394 ] High CVE-2026-12466: Heap buffer overflow in WebRTC
Severity: high
No detection rules found.
No public exploits indexed.
2026-06-17
Published