Name: Microsoft Office: CVE-2026-97778: Microsoft Office Excel Remote Code Execution Vulnerability
Creator: Rapid7
Published: 2026-10-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-97778, CWE-190, CVSS 8.8, EPSS 0.00601

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

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Office	—	Download and install Microsoft KB5002928Upgrade to the latest version of Microsoft Office	Oct 14, 2026	Oct 14, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence