Microsoft’s September 2025 Patch Tuesday brought another massive wave of security updates, addressing 80 vulnerabilities across its software ecosystem. Among them were two publicly disclosed zero-day flaws, meaning attackers were already aware of and potentially exploiting them before a patch was released.
According to Security Affairs, these zero-days highlight the persistent challenge organizations face in keeping up with the relentless pace of vulnerability disclosures. One of the two zero-days, tracked as CVE-2024-38189, affected the Microsoft Streaming Service Proxy, while the other, CVE-2024-38193, involved the Windows MSHTML platform—a recurring target for threat actors due to its deep integration with Windows and Office products.
Zero-day vulnerabilities represent one of the most dangerous categories of cyber threats because they are exploited before vendors can release patches and before organizations have time to deploy them. Traditional security models built on “detect and respond” struggle to contain such attacks, as they depend on identifying malicious activity after it has already begun.
By the time detection occurs, data exfiltration or system compromise may already be underway. The sheer number of vulnerabilities patched each month—combined with the constant discovery of new zero-days—makes it clear that a reactive approach is no longer enough.
Even with robust patch management, organizations face an unavoidable gap between discovery, disclosure, and deployment. Attackers exploit this window relentlessly. Modern threat actors use automation and AI-enhanced techniques to weaponize new vulnerabilities within hours of public disclosure.
The flaw in the detect-and-respond paradigm is that it assumes defenders will catch malicious activity fast enough to minimize damage. Unfortunately, most ransomware and data breaches unfold far more quickly than incident response teams can act.
This is where AppGuard’s approach of isolation and containment provides a decisive advantage. Instead of trying to detect threats based on signatures or behaviors, AppGuard prevents untrusted processes from executing in the first place. It isolates applications so that even if a zero-day vulnerability is exploited, the attack cannot spread or escalate privileges.
This method effectively neutralizes entire classes of attacks—including those that rely on unknown or undisclosed flaws—because AppGuard operates independently of threat detection. It prevents malicious code from taking action, even when that code exploits vulnerabilities no one has seen before.
AppGuard has maintained a 10-year track record of success in preventing endpoint breaches across industries that are routinely targeted by advanced cyber threats. Now available for commercial adoption, AppGuard offers businesses a proactive way to protect their systems from zero-day exploits, ransomware, and other forms of malware that slip past conventional defenses.
Microsoft’s monthly security updates are an important part of good cyber hygiene, but they only address vulnerabilities after the fact. Businesses need an additional layer of protection that stops attacks before they can cause damage.
It’s time to move from “Detect and Respond” to “Isolation and Containment.”
At CHIPS, we help businesses adopt AppGuard, a proven endpoint protection solution designed to prevent incidents like these before they happen.
👉 Talk with us today to learn how AppGuard can protect your organization from zero-day attacks and eliminate the need to constantly chase patches and alerts.
Like this article? Please share it with others!