CVE-2026-12447
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk30th percentile - higher than 30% of all known CVEs
Summary
Heap buffer overflow in WebRTC in Google Chrome prior to version 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Risk Assessment
An attacker could exploit this vulnerability to execute malicious code, potentially compromising the user's system.
Recommendation
It is recommended to update Google Chrome to the latest version to mitigate this vulnerability.
Other vulnerabilities in WebRTC in Google Chrome
See all- CVE-2026-8526High
An out of bounds write in WebRTC in Google Chrome prior to version 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-8016High
A use after free vulnerability in WebRTC in Google Chrome prior to version 148.0.7778.96 allows a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-7988High
Type Confusion in WebRTC in Google Chrome prior to version 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-7987High
A use after free vulnerability in WebRTC in Google Chrome prior to version 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-7928High
A use after free vulnerability in WebRTC in Google Chrome on Windows prior to version 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2023-3215High
A use after free vulnerability in WebRTC in Google Chrome prior to version 114.0.5735.133 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- CVE-2026-12466High
Heap buffer overflow in WebRTC in Google Chrome on Windows prior to version 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page.
- CVE-2026-12461Medium
An out of bounds read in WebRTC in Google Chrome on Windows prior to version 149.0.7827.155 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
- CVE-2023-4076High
Use after free in WebRTC in Google Chrome prior to version 115.0.5790.170 allowed a remote attacker to potentially exploit heap corruption via a crafted WebRTC session.
- CVE-2023-3728High
Use after free in WebRTC in Google Chrome prior to version 115.0.5790.98 allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Original NVD description (English source)
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

