CVE-2026-88195

Medium

Description

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMicrosoft Office
PublishedOct 13, 2026
First seenOct 13, 2026

How to fix

Affected products

ProductAffected versionsFixed in
microsoft office_2021No range specified—
microsoft 365_appsNo range specified—
microsoft office_2024No range specified—

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