In this week’s PortalFuse Weekly Security Report, we delve into two high-severity vulnerabilities shaking up the cybersecurity landscape.
First, we examine CVE-2025-21325, a critical flaw in Windows Secure Kernel Mode that allows an attacker to escalate privileges by manipulating page table data. We’ll unpack how this vulnerability leads to complete loss of confidentiality, integrity, and availability, and why immediate patching on Windows 10, Windows 11, and Windows Server 2025 systems is essential.
Next, we explore recent security holes in Microsoft Edge stemming from its reliance on the Chromium engine. Notably, CVE-2025-21185 can grant unauthorized access to sensitive information via crafted URLs. We’ll also break down the technical details of related Chromium vulnerabilities, from out-of-bounds memory access in the V8 engine to insufficient data validation in Extensions.
Join us as we provide expert guidance on mitigating these threats, including the latest Microsoft KB updates and Edge version 132.0.2957.115. We’ll share best practices for patch management, browser security policies, and proactive monitoring to keep your organization safe in an evolving threat environment.
Tune in and stay informed with PortalFuse Weekly Security Report!
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