Microsoft Patch Tuesday: Take Immediate Action

Critical Vulnerabilities and an Actively Exploited Zero-Day Demand Immediate Action

Last week, Microsoft released its November Patch Tuesday updates, addressing 63 security flaws across its ecosystem, including Windows, Office, Azure, and Visual Studio. Among these vulnerabilities is CVE-2025-62215, a Windows Kernel elevation of privilege flaw that has already been exploited in the wild.

This zero-day vulnerability stems from a race condition in kernel operations, allowing attackers to gain system-level privileges on affected devices. Microsoft has confirmed active exploitation, making this patch cycle particularly urgent for enterprise environments.

The update also includes four critical vulnerabilities, two of which enable remote code execution (RCE). One notable example is CVE-2025-60724, a heap-based buffer overflow in the Microsoft Graphics Component that could allow attackers to execute malicious code over a network.

Exploitation requires minimal user interaction, such as opening a specially crafted document, which significantly raises the risk for organizations relying on Office and graphics-dependent applications. For businesses and IT teams, the implications are clear: delaying these patches could expose systems to privilege escalation, data exfiltration, and ransomware attacks.

Organizations should prioritize patching across all supported Windows versions and associated Microsoft products. Additionally, this update underscores the importance of robust patch management strategies, vulnerability scanning, and continuous monitoring to mitigate risks in real time.

With attackers actively exploiting these flaws, proactive remediation is not optional—it’s essential for maintaining compliance and safeguarding critical infrastructure. Webcheck Security can help you build out a highly effective and efficient security program—including patch management—to provide confidence that all aspects of your security program are operating smoothly; contact us today!