CVE-2026-100208 in Outlook

Summary

by MITRE • 09/25/2026

Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

• Responsible: Microsoft
• Reservation: 09/25/2026
• Disclosure: 09/25/2026
• Moderation: accepted
• Entry: VDB-410447
• CPE: ready
• CWE: CWE-190 (confirmed)
• CVSS: 7.5 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Hostingprovider, Education, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-100208
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100208
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-100208/