Microsoft Security Updates, March 2025:
Microsoft has released the security updates corresponding to the vulnerabilities detected and reported on March 11, 2025. Keeping your devices updated is essential to ensure their security.
Vulnerability list and their classification:
The list consists of a total of 57 vulnerabilities with an assigned CVE identifier. Of these, 44 have been rated as high severity, while 13 are considered medium risk. Among those with the highest impact, one is classified as maximum severity, representing a significant threat to affected systems.
CVE-2025-26645: the most critical
Among all the vulnerabilities detected, CVE-2025-26645 stands out in particular. This vulnerability allows remote code execution (RCE), which means that an attacker could execute commands on the target system without prior administrative privileges. These types of flaws are highly dangerous, as they can be exploited to distribute malware, steal information or even take full control of the compromised system.
Affected Microsoft products and services
The fixed vulnerabilities affect various Microsoft products and services, including Windows operating systems in their different versions, productivity tools, servers and other platforms used in business and personal environments. This underlines the importance of keeping systems always up to date to minimize security risks.
How can we protect ourselves? Installation of security updates
To mitigate these risks, it is essential that users and IT administrators install security updates provided by Microsoft as soon as possible. The company has made available different methods for users to perform these updates, including Windows Update, the Microsoft Download Center and specialized tools for corporate environments such as Windows Server Update Services (WSUS).
It is recommended to verify the compatibility of patches with systems before applying them. For enterprise environments, it is always good practice to test in a test environment prior to widespread deployment.
Additional resources and useful links
For more details on these vulnerabilities, as well as on the measures recommended by Microsoft, you can consult the update guide at the following link.
In addition, if you want to be aware of future security alerts and other cybersecurity-related news, you can follow the official website of the National Cybersecurity Institute (Incibe), where alerts and recommendations for users and companies are published.
