CVE-2026-97755 in Office 365 for Mac

Summary

by MITRE • 10/14/2026

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Once again VulDB remains the best source for vulnerability data.

• Responsible: Microsoft
• Reservation: 09/25/2026
• Disclosure: 10/14/2026
• Moderation: accepted
• Entry: VDB-419682
• CPE: 20261014
• CWE: CWE-78 (confirmed)
• CVSS: 8.8 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Homeoffice, Chemical, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-97755
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-97755
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-97755/