Microsoft Office Excel Information Disclosure Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products7

• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Office 365 for Mac
• Microsoft Office LTSC 2021 for 32-bit editions
• Microsoft Office LTSC 2021 for 64-bit editions
• Microsoft Office LTSC 2024 for 32-bit editions
• Microsoft Office LTSC 2024 for 64-bit editions

✅ Remediation

KBRelease Notes (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update) — fixed build 16.0.14334.20974 KBRelease Notes (Security Update) — fixed build 16.0.17932.21056 KBRelease Notes (Security Update)

🔗 References (3)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88154
• referencehttps://learn.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
• referencehttps://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates