microsoft update guide

Microsoft has logged CVE-2026-20949 as a Security Feature Bypass affecting Microsoft Excel, and the entry in the Microsoft Security Response Center’s Update Guide highlights a constrained public description and an explicit report‑confidence signal that security teams must interpret when triaging...

Microsoft’s tracking entry for CVE-2025-64676 shows a confirmed vulnerability in Microsoft Purview’s eDiscovery component that can lead to remote code execution (RCE); the vendor entry is the authoritative signal that an exploitable defect exists and that administrators must treat the issue as...

A newly cataloged Windows kernel vulnerability, tracked as CVE-2025-62458, is a heap-based buffer overflow in the Win32k graphics subsystem (GRFX) that allows an authenticated local user to escalate privileges to higher system levels; Microsoft’s Security Update Guide lists the entry for the CVE...

Executive Summary Microsoft has released a security update addressing a new heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS), tracked as CVE-2025-54113. The flaw could allow remote code execution (RCE) if exploited, and administrators are strongly urged to patch...

Microsoft’s Security Update Guide records CVE-2025-54104 as an elevation of privilege vulnerability in the Windows Defender Firewall Service caused by an “access of resource using incompatible type (‘type confusion’)” — in short, a type‑confusion bug in a privileged service that an authorized...

Microsoft’s advisory for a newly referenced HTTP.sys vulnerability describes an out‑of‑bounds read in the Windows HTTP protocol stack that can be triggered remotely against Internet Information Services (IIS) and other HTTP.sys consumers, allowing an unauthenticated attacker to cause a...

A newly disclosed vulnerability affecting Windows' Routing and Remote Access Service (RRAS) can allow remote attackers to execute code against unpatched RRAS hosts — administrators must treat any RRAS-enabled servers exposed to untrusted networks as high-priority for patching, isolation, and...

Microsoft has confirmed CVE-2025-53132 — a race‑condition elevation‑of‑privilege vulnerability in the Windows Win32k – GRFX component — and administrators must treat affected hosts as high‑priority patch targets while applying layered mitigations to reduce immediate risk. Background Windows’...

CVE-2025-53727 is a SQL Server vulnerability that stems from improper neutralization of special elements used in an SQL command (SQL injection) and — according to Microsoft’s advisory — can allow an authenticated attacker to elevate privileges over a network. What happened (plain English)...

Microsoft has recently released a significant update to Microsoft Defender, enhancing security for Windows 11, Windows 10, and Windows Server installation images. This update is crucial for IT administrators and organizations aiming to maintain robust security postures across their systems...