CVE-2026-50675 in Office

Summary

by MITRE • 07/14/2026

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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• Responsible: Microsoft
• Reservation: 06/05/2026
• Disclosure: 07/14/2026
• Moderation: accepted
• Entry: VDB-378498
• CPE: ready
• CWE: CWE-122 (confirmed)
• CVSS: 4.8 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Industry, Lawfirm, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-50675
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-50675
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-50675/