CVE-2026-91749 in Chrome

Summary

by MITRE • 09/15/2026

Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

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• Responsible: Chrome
• Reservation: 09/15/2026
• Disclosure: 09/15/2026
• Moderation: accepted
• Entry: VDB-404816
• CPE: ready
• CWE: CWE-416 (confirmed)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Industry, Chemical, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-91749
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-91749
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-91749/