Microsoft Office Remote Code Execution Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products11

• Microsoft 365 Apps for Enterprise for 32-bit Systems
• Microsoft 365 Apps for Enterprise for 64-bit Systems
• Microsoft Office 2019 for 32-bit editions
• Microsoft Office 2019 for 64-bit editions
• 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
• Microsoft Office LTSC for Mac 2021
• Microsoft Office LTSC for Mac 2024

✅ Remediation

KBRelease Notes (Security Update) — fixed build 16.0.17932.20976 KBRelease Notes (Security Update) — fixed build 16.0.14334.20906 KBRelease Notes (Security Update) — fixed build 16.0.10417.20207 KBRelease Notes (Security Update) — fixed build 16.0.20326.20138

🔗 References (3)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77898
• referencehttps://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
• referencehttps://docs.microsoft.com/en-us/officeupdates/office365-proplus-security-updates