On December 9, 2025, Microsoft released its December 2025 security update, addressing 57 newly disclosed vulnerabilities.?Â鶹¹û¶³ has highlighted three vulnerabilities?affecting Microsoft Windows and Office in this security bulletin due to their potential impact.?
Vulnerabilities?
| Vulnerability? | CVSS? | Description? | Exploited?? |
| ? | 7.8? | Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability?– An authorized threat actor can exploit a use-after-free flaw in the Windows Cloud Files Mini Filter Driver to elevate privileges locally and gain SYSTEM access.?
|
Yes? |
| ? | 8.4? | Microsoft Office Remote Code Execution Vulnerability?– A type-confusion flaw in Microsoft Office that allows an unauthorized?threat?actor to execute code locally through a malicious link sent to a victim. In the worst case, a crafted email can trigger code execution without user interaction.? | No? |
| ? | 8.4? | Microsoft Outlook Remote Code Execution Vulnerability?– A use-after-free flaw in Microsoft Office that allows an unauthorized?threat?actor to execute code locally through a malicious link sent to a victim. In the worst case, a crafted email can trigger code execution without user interaction.? | No? |
Recommendations for?Microsoft Patch Tuesday: December 2025
Upgrade to Latest Fixed Versions
Â鶹¹û¶³ strongly recommends that customers upgrade to the latest fixed versions.?
| Affected Product? | Vulnerability? | Update Article? |
| Windows Server 2025? | CVE-2025-62221? | ,?? |
| Windows Server 2022, 23H2 Edition?? | CVE-2025-62221? | ? |
| Windows Server 2022? | CVE-2025-62221? | ,?? |
| Windows Server 2019? | CVE-2025-62221? | ? |
| Windows 11 Version 25H2 for x64-based, and ARM64-based Systems? | CVE-2025-62221? | ,?? |
| Windows 11 Version 24H2 for x64-based, and ARM64-based Systems? | CVE-2025-62221? | ? |
| Windows 11 Version 23H2 for x64-based, and ARM64-based Systems? | CVE-2025-62221? | ? |
| Windows 10 Version 22H2 for 32-bit, x64-based, and ARM64-based Systems? | CVE-2025-62221? | ? |
| Windows 10 Version 21H2 for 32-bit, x64-based, and ARM64-based Systems? | CVE-2025-62221? | ? |
| Windows 10 Version 1809 for 32-bit, and x64-based Systems? | CVE-2025-62221? | ? |
| Microsoft Office LTSC for Mac 2024, and Mac 2021? | CVE-2025-62554, CVE-2025-62557? | According to Microsoft, update information will be added to the respective CVE pages when it becomes available.? |
| Microsoft Office LTSC 2024 for 32-bit, and 64-bit editions? | CVE-2025-62554, CVE-2025-62557? | ? |
| Microsoft Office LTSC 2021 for 32-bit, and 64-bit editions? | CVE-2025-62554, CVE-2025-62557? | ? |
| Microsoft Office for Android? | CVE-2025-62554, CVE-2025-62557? | ? |
| Microsoft Office 2019 for 32-bit, and 64-bit editions? | CVE-2025-62554, CVE-2025-62557? | ? |
| Microsoft Office 2016 32-bit, and 64-bit edition? | CVE-2025-62554, CVE-2025-62557? | ? |
| Microsoft 365 Apps for Enterprise for 32-bit, and 64-bit Systems? | CVE-2025-62554, CVE-2025-62557? | ? |
Please follow your organization’s patching and testing guidelines to minimize potential operational impact.?
References?
