All vulnerabilities
CVE-2026-113303

Memory corruption in WebRTC in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security sever

Google ChromeApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.60%Chance of exploitation activity in the next 30 days, higher than 48% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in156.0.8078.47Fixed versionCVE List
Published20 Oct 2026Updated 20 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Memory corruption in WebRTC in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Text from CVE List

Affected versions 1

  • Chromeaffected: 156.0.8078.47 before 156.0.8078.47CVE List

References 2