Microsoft Patches 90 Security Flaws Including Ten Critical Zero Day Vulnerabilities

Microsoft’s latest Patch Tuesday release addresses 90 critical security vulnerabilities across its Windows ecosystem, with 10 zero-day flaws requiring immediate attention. Six of these vulnerabilities are actively being exploited by attackers, making this security update particularly crucial for Windows users and system administrators.

Key Takeaways:

• 90 security flaws patched, including 9 critical and 80 important vulnerabilities
• Six zero-day flaws are actively exploited in the wild
• Windows Server and desktop systems face high-severity threats from LDAP vulnerability
• Over 70% of new CVEs impact Windows operating systems
• Windows 10 users need to plan for security support ending in October 2025

Understanding the Critical Vulnerabilities

The most significant threat identified is CVE-2024-49112, a Windows LDAP vulnerability with a CVSS score of 9.8. This flaw could let hackers execute malicious code remotely on affected systems. Another notable vulnerability is CVE-2024-49138, affecting the Windows CLFS Driver, which hackers can use for system-level privilege escalation.

The vulnerabilities impact multiple Microsoft products. Here’s what’s affected:

• Windows Server installations
• Desktop operating systems
• Microsoft Office applications
• SharePoint Server

Immediate Actions Required

Given the severity of these security flaws, immediate action is essential. Installing the latest security patches should be your top priority. Microsoft has detected active exploitation of six zero-day vulnerabilities, making systems without these updates particularly vulnerable to cybersecurity attacks.

Additional Security Measures

Beyond installing updates, I recommend implementing additional security measures. Recent Windows security enhancements suggest restricting domain controller internet access and blocking inbound Remote Procedure Calls from untrusted networks.

Looking Ahead: Windows Security Updates

Microsoft has already addressed over 1,020 vulnerabilities in 2024, highlighting the ongoing nature of cybersecurity threats. Windows 11’s security features continue to evolve, making it an important consideration for Windows 10 users facing the end of security support in October 2025.

Automation Solutions for Security Management

Managing these frequent security updates can be streamlined through automation. Automation tools can help monitor, deploy, and verify security patches across your systems, ensuring consistent protection against emerging threats.