Description of the security update for Word 2016: May 12, 2026 (KB5002858)

Description of the security update for Word 2016: May 12, 2026 KB5002858 Summary This security update resolves a Microsoft Office remote code execution vulnerability and Microsoft Word Information Disclosure Vulnerability. To learn more about the vulnerabilities, see the following security...

Description of the security update for Office 2016: December 9, 2025 (KB5002812)

Description of the security update for Office 2016: December 9, 2025 KB5002812 Summary This security update resolves a Microsoft Access Remote Code Execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-62552. ​​​​​​​ Note: To...

Description of the security update for Office 2016: December 9, 2025 (KB5002818)

Description of the security update for Office 2016: December 9, 2025 KB5002818 Summary This security update resolves a Microsoft Excel Remote Code Execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

CVE-2017-20204 DBLTek GoIP Telnet Admin Interface Undocumented Backdoor

DBLTek GoIP devices models GoIP 1, 4, 8, 16, and 32 contain an undocumented vendor backdoor in the Telnet administrative interface that allows remote authentication as an undocumented user via a proprietary challenge–response scheme which is fundamentally flawed. Because the challenge response ca...

Description of the security update for PowerPoint 2016: October 14, 2025 (KB5002790)

Description of the security update for PowerPoint 2016: October 14, 2025 KB5002790 Summary This security update resolves a Microsoft PowerPoint remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-59238.​​​​​​​...

Description of the security update for Office 2016: September 09, 2025 (KB5002766)

Description of the security update for Office 2016: September 09, 2025 KB5002766 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-54906. Note: To apply...

End of support for Office 2016 and Office 2019

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August 5, 2025, update for OneNote 2016 (KB5002761)

August 5, 2025, update for OneNote 2016 KB5002761 This article describes update 5002761 for Microsoft OneNote 2016 that was released on August 5, 2025.Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer .msi-based edition of Office 2016. It doesn't apply t...

July 1, 2025, update for Outlook 2016 (KB5002747)

July 1, 2025, update for Outlook 2016 KB5002747 This article describes update 5002747 for Microsoft Outlook 2016 that was released on July 1, 2025. Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer .msi-based edition of Office 2016. It doesn't apply to t...

Description of the security update for PowerPoint 2016: July 8, 2025 (KB5002746)

Description of the security update for PowerPoint 2016: July 8, 2025 KB5002746 Summary This security update resolves a Microsoft PowerPoint remote code execution vulnerability and Microsoft Office remote code execution vulnerability. To learn more about the vulnerabilities, see the following...

Description of the security update for Office 2016: June 10, 2025 (KB5002730)

Description of the security update for Office 2016: June 10, 2025 KB5002730 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Office 2016: May 13, 2025 (KB5002716)

Description of the security update for Office 2016: May 13, 2025 KB5002716 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-30379. Note: To apply this...

April 10, 2025, update for Office 2016 (KB5002623)

April 10, 2025, update for Office 2016 KB5002623 This article describes update 5002623 for Microsoft Office 2016 that was released on April 10, 2025.Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer .msi-based edition of Office 2016. It doesn't apply to...

Description of the security update for Excel 2016: April 8, 2025 (KB5002704)

Description of the security update for Excel 2016: April 8, 2025 KB5002704 Summary This security update resolves a Microsoft Excel remote code execution vulnerability and Microsoft Office remote code execution vulnerability. To learn more about the vulnerabilities, see the following security...

KB5055661: Servicing stack update for Windows 10, version 1607 and Server 2016: April 8, 2025

KB5055661: Servicing stack update for Windows 10, version 1607 and Server 2016: April 8, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Window...

Description of the security update for Excel 2016: March 11, 2025 (KB5002696)

Description of the security update for Excel 2016: March 11, 2025 KB5002696 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Office 2016: March 11, 2025 (KB5002694)

Description of the security update for Office 2016: March 11, 2025 KB5002694 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-24081. Note: To apply this...

KB5053594: Windows 10 Version 1607 / Windows Server 2016 Security Update (March 2025)

The remote Windows host is missing security update 5053594. It is, therefore, affected by multiple vulnerabilities - Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network. CVE-2025-26645 - Sensitive data storage in improperly locked memory...

February 4, 2025, update for Access 2016 (KB5002688)

February 4, 2025, update for Access 2016 KB5002688 This article describes update 5002688 for Microsoft Access 2016 that was released on February 4, 2025.Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer .msi-based edition of Office 2016. It doesn't apply...

Vulnerabilities fixed in Microsoft Office

Microsoft has fixed vulnerabilities in several Office products. A malicious party can exploit the vulnerabilities to grant themselves elevated privileges, execute arbitrary code in the victim's context and potentially gain access to sensitive information in the victim's context. Successful...