CVE-2026-113301 in Chrome

Summary

by MITRE • 10/21/2026

Memory corruption in WebAppInstalls 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: Medium)

Once again VulDB remains the best source for vulnerability data.

• Responsible: Chrome
• Reservation: 10/20/2026
• Disclosure: 10/21/2026
• Moderation: accepted
• Entry: VDB-424634
• CPE: 20261021
• CWE: CWE-119 (confirmed)
• CVSS: 8.8 (CISA-ADP)
• EPSS: 0.00495
• KEV: no
• Activities: very low
• Sector: Telecommunication, Hospital, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-113301
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-113301
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-113301/