Select Page

Recently, Microsoft released their first April security update patch, including a vulnerability reported by two security researchers from the Hillstone Security Research Team. They posted their acknowledgement on the official Microsoft website. The associated vulnerability number is CVE-2021-27088.


Figure 1: Hillstone Security Research Team receives acknowledgment from Microsoft


Figure 2: Microsoft April security update patch

This month’s security updates will fix a total of 104 vulnerabilities. These include 16 high-risk vulnerabilities, 88 serious vulnerabilities, and one medium-hazard vulnerability that cover components such as Windows operating system, Exchange Server, Azure, Office, SharePoint Server, Hyper-V, Visual Studio and Edge. These security hazards are wide-ranged and serious. It is recommended that users update the patches in a time fashion.

Hillstone Security Research Team

As a leading provider of Enterprise Network Security and Risk Management solutions, protecting our customers in a proactive way is our highest goal. This is why we have a focused security research team and resources that are dedicated to uncovering vulnerabilities in widely used products globally. We will continue to devote our efforts to safeguard global network security.


Reduce Upfront Barriers with Pay-per-Usage Licensing and Virtual License Management System

Beware Ransomware: How to Protect and Defend Your Network

Beware Ransomware: The Costs and the Dilemma

Beware Ransomware: What You Need to Know

The Future of Cyber Security: Artificial Intelligence

Announcing Hillstone’s Network Intrusion Prevention System (NIPS) V4.0

What Some Forget in Network Security – the Customer

Fighting ‘Alert Fatigue’? How ATT&CK can Help! (Part 2)

Fighting ‘Alert Fatigue’? How ATT&CK can Help!