The volume of vulnerabilities addressed in this update highlights the importance of proactive security measures for users.

It is crucial for users to ensure that the patch is successfully installed, as installation may fail due to network issues or other problems.

Details regarding the exploitation methods for the zero-day vulnerabilities remain undisclosed, raising concerns about their potential impact.

Microsoft has not provided specific information about the attackers or the targets affected by these vulnerabilities.

For those affected, a complete list of vulnerabilities can be found through Microsoft's official update link, and the update is highly recommended.

On February 12, 2025, Microsoft released its Patch Tuesday cumulative update, addressing a total of 63 security vulnerabilities across various products including Windows, Microsoft Office, Azure, and Visual Studio.

Among the vulnerabilities fixed, four were classified as critical, including two that are actively exploited.

The two actively exploited zero-day vulnerabilities, CVE-2025-21391 and CVE-2025-21418, allow attackers to execute code with SYSTEM privileges and delete files, respectively.

Critical vulnerabilities addressed include CVE-2025-21376 in Windows Lightweight Directory Access Protocol, CVE-2025-21177 in Dynamics 365, CVE-2025-21379 in DHCP Client Service, and CVE-2025-21381 in Microsoft Excel, all enabling remote code execution.

The update also includes fixes for 22 remote code execution flaws, 19 elevation of privilege flaws, nine denial of service flaws, three spoofing flaws, two security feature bypass flaws, and one information disclosure flaw.

Cybersecurity experts emphasize the urgency of patching these vulnerabilities to mitigate potential exploits.

Users are strongly advised to install the latest security updates immediately to protect their systems from these vulnerabilities.