Microsoft Office Remote Code Execution Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products10

• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Office 2016 (32-bit edition)
• Microsoft Office 2016 (64-bit edition)
• Microsoft Office 2019 for 32-bit editions
• Microsoft Office 2019 for 64-bit editions
• 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

KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KB5002897 (Security Update) — fixed build 16.0.5565.1001 KB5002791 (Security Update) — fixed build 16.0.5565.1000 KB5002795 (Security Update) — fixed build 16.0.5565.1000 KB5002900 (Security Update) — fixed build 16.0.5565.1000

🔗 References (10)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65661
• referencehttps://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates
• patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108781
• referencehttps://support.microsoft.com/help/5002897
• patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108770
• referencehttps://support.microsoft.com/help/5002791
• patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108772
• referencehttps://support.microsoft.com/help/5002795
• patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108761
• referencehttps://support.microsoft.com/help/5002900