os security

The recent disclosure of CVE-2025-49667, a critical elevation of privilege (EoP) vulnerability in the Windows Win32 Kernel (Win32K) Subsystem, has cast a spotlight on the ongoing security challenges inherent in fundamental components of the Windows operating system. Security researchers and IT...

In July 2025, Microsoft disclosed a significant security vulnerability identified as CVE-2025-48810, affecting Windows Secure Kernel Mode. This flaw arises from processor optimization modifications or removals in security-critical code, enabling authorized attackers to locally disclose sensitive...

Here is a summary of CVE-2025-48809 based on your prompt and the official Microsoft Security Response Center: CVE-2025-48809 – Windows Secure Kernel Mode Information Disclosure Vulnerability Description: This vulnerability involves the removal or modification of processor optimization or...

Here's a summary of CVE-2025-47982: CVE-2025-47982 is a Windows vulnerability involving the Storage VSP (Virtualization Service Provider) Driver. The issue is classified as an "Elevation of Privilege" vulnerability. Specifically, improper input validation in the Windows Storage VSP Driver could...

The Windows StateRepository API is a critical component within the Windows operating system, responsible for managing and maintaining the state of various applications and system components. Its primary function is to ensure that applications retain their state information, facilitating a...

In the ever-evolving landscape of cybersecurity, a new vulnerability has emerged that demands immediate attention: CVE-2025-36357, identified as a Transient Scheduler Attack targeting the Level 1 (L1) Data Queue in certain AMD processors. This flaw underscores the intricate challenges inherent...

The Windows Input Method Editor (IME) is a crucial component in the Windows operating system, enabling users to input complex characters and symbols, particularly for languages such as Chinese, Japanese, and Korean. However, vulnerabilities within the IME have been identified over the years...

A steadily rising tide of critical security disclosures continues to shape the landscape for enterprise Windows deployments, and few recent reports have drawn more intense scrutiny than the emergence of CVE-2025-49686. This severe vulnerability, targeting the Windows TCP/IP driver's handling of...

For the first time since its launch in October 2021, Windows 11 has surpassed Windows 10 in global desktop OS market share, marking a significant milestone not only for Microsoft but also for the evolving trajectory of PC operating systems. After several years of steady, though at times...

When preparing your organization's Windows ecosystem for a pivotal infrastructure update, few developments in recent years compare to the anticipated expiration of Secure Boot certificates in June 2026. Behind every modern Windows startup—whether it’s on an enterprise desktop, a home PC, or a...

Microsoft's Secure Boot, a critical security feature introduced with Windows 8, is undergoing significant updates to its certificate infrastructure to maintain system integrity and trustworthiness. This initiative addresses the impending expiration of existing certificates and enhances defenses...

Here's a summary of the key information from the Microsoft Support article on Windows devices for home users, businesses, and schools with Microsoft-managed updates: What's Happening? Microsoft is updating the Secure Boot certificates (originally issued in 2011 and expiring starting June 2026)...

As the sunset date for Windows 10 looms on the horizon, the reality facing millions of PC users is growing ever more pressing: after October 14, 2025, Microsoft will officially pull the plug on support, updates, and most importantly, security patches for the world’s most popular desktop...

Microsoft’s approach to system protection features in Windows 11 has seen notable evolution, and recent confirmations about the automatic deletion of System Restore points underscore an important shift for both mainstream and power users. The announcement, initially detailed by Forbes and...

Microsoft’s June 2025 update for Windows 11 version 24H2 introduces a pivotal change to the operating system’s approach to system recovery—permanently reducing system restore point retention from 90 days to just 60 days. This new policy, quietly embedded within OS Build 26100.4349 (delivered...

Microsoft’s tradition of robust backward compatibility has long set it apart in the realm of operating systems, making Windows the platform of choice for a vast range of consumers and enterprises alike. From dusty dot-matrix printers to niche industrial controllers, generations of hardware have...

As millions of Windows 11 users increasingly depend on their PCs for work, creativity, and gaming, Microsoft’s behind-the-scenes decisions about driver management can have a far-reaching impact. The latest policy shift—the decision to stop pushing older, so-called legacy drivers through Windows...

In a pivotal update for enterprise environments, Windows has rolled out new certificate authority (CA) handling logic for Application Control for Business, formerly known as Windows Defender Application Control (WDAC). As announced in Microsoft’s official support documentation, this adjustment...

Microsoft has recently addressed a critical vulnerability in its Secure Boot feature, identified as CVE-2025-3052, which could have allowed attackers to install persistent bootkit malware on most PCs. This flaw, discovered by security researchers at Binarly, involved a legitimate BIOS update...

The June 2025 security update for Windows 10 has arrived, marking another critical step in Microsoft’s ongoing effort to safeguard its user base while pushing incremental improvements to its veteran operating system. With cyber threats continually evolving, and businesses worldwide still heavily...