Os Security
The latest Os Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
KB5059774 Safe OS Update Hardens Windows 11 Recovery, No Restart Needed
Microsoft pushed out a silent but significant update to the Windows Recovery Environment (WinRE) on May 27, 2025, with the release of KB5059774, a Safe OS Dynamic Update for Windows 11 versions 22H2...
Windows 11’s Smart App Control Blocks Untrusted Apps Proactively — Here’s What You Need to Know
When Microsoft rolled out the Windows 11 2022 Update (version 22H2), it quietly shipped one of the most aggressive consumer security features in years: Smart App Control. Unlike traditional antivirus...
Critical Security Flaw in Microsoft Edge CVE-2025-47181 and How to Mitigate It
Here are the key details about the Critical Security Flaw in Microsoft Edge (CVE-2025-47181): What is CVE-2025-47181? It is a critical security vulnerability found in Microsoft Edge, related to...
Windows 11 Hotpatching: Transforming System Updates with No-Restart Security Patches
Introduction For years, Windows users have been accustomed to the monthly routine of installing updates, often accompanied by the inevitable system restart. This process, while essential for...
Signal Enhances Privacy by Blocking Microsoft's Windows 11 Recall Feature
Introduction In an era where digital privacy is increasingly under threat, the encrypted messaging app Signal has taken a proactive stance to safeguard user information. By implementing a new "Screen...
Microsoft Releases Emergency Update to Resolve Windows 10 BitLocker Recovery Issue Triggered by Intel TXT
Overview Microsoft has issued an emergency out-of-band update to address a critical issue in Windows 10 where systems unexpectedly enter BitLocker recovery mode. This problem is linked to Intel's...
Cache Timing Side-Channel Attacks Bypass Windows 11 KASLR: Unveiling Modern Exploitation Techniques
In recent developments, cache timing side-channel attacks have resurfaced as a significant concern in system security. A recent demonstration targeting fully patched Windows 11 installations has...
New CPU Cache Timing Attack Bypasses Windows 11 KASLR Security
The relentless arms race between cybersecurity defenses and exploit techniques has escalated to the microprocessor level, as researchers unveil a sophisticated CPU cache timing attack capable of...
Windows 11's Evolving Security and Privacy Landscape: A Comprehensive Overview
Introduction In response to the escalating cyber threats and the growing demand for user-centric security, Microsoft has significantly enhanced the security and privacy features of Windows 11. These...
Windows 11 LTSC 2024 gets hotpatch update KB5061258 for zero-reboot security
Introduction In today's rapidly evolving cybersecurity landscape, maintaining system security without disrupting operations is paramount. Microsoft addresses this challenge with the release of...