Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-21300: Critical UPnP Vulnerability in Windows - What You Need to Know
Microsoft has disclosed a critical vulnerability (CVE-2025-21300) in Windows' Universal Plug and Play (UPnP) service that could allow attackers to execute denial-of-service attacks on affected...
Microsoft warns of active attacks exploiting critical Windows Search flaw for SYSTEM access
Microsoft has issued an urgent security alert regarding CVE-2025-21292, a critical elevation of privilege vulnerability in the Windows Search service affecting all supported Windows versions. This...
New Windows flaw allows remote system crashes via malicious URLs
Microsoft has disclosed a critical denial-of-service (DoS) vulnerability (CVE-2025-21276) affecting multiple Windows versions that could allow attackers to crash systems remotely. This newly...
Patch now: CVE-2025-21275 gives SYSTEM access via Windows App Installer on all Windows 10/11.
CVE-2025-21275: Critical Elevation of Privilege Vulnerability in Windows App Package Installer Microsoft has disclosed a severe elevation of privilege vulnerability (CVE-2025-21275) affecting the...
CVE-2025-21274: Windows Event Tracing DoS Vulnerability Analysis & Mitigation
Microsoft has disclosed a significant security vulnerability in Windows Event Tracing for Windows (ETW), designated CVE-2025-21274, which could allow attackers to cause a denial-of-service (DoS)...
CVE-2025-21273 Zero-Day: Patch Windows Telephony Service RCE Flaw Now
Microsoft has issued an urgent security alert regarding CVE-2025-21273, a critical vulnerability in the Windows Telephony Service that allows remote code execution. This zero-day flaw affects all...
CVE-2025-21189: Critical Windows Security Zones Vulnerability Threatens Millions of Systems
CVE-2025-21189: Serious Vulnerability in Windows Security Zones Microsoft has disclosed a critical security vulnerability (CVE-2025-21189) affecting Windows Security Zones, a fundamental component of...
CVE-2025-21261: Critical Windows Elevation of Privilege Vulnerability Explained
CVE-2025-21261: Windows Users Urged to Address New Elevation of Privilege Vulnerability Microsoft has issued a critical security alert regarding CVE-2025-21261, a newly discovered elevation of...
CVE-2025-21232: Critical Windows Flaw Grants System Access, Patch Now
Microsoft has recently disclosed CVE-2025-21232, a critical elevation of privilege (EoP) vulnerability affecting multiple Windows operating systems. This security flaw, if exploited, could allow...
CVE-2025-21229: Critical Windows Privilege Escalation Vulnerability Explained
Microsoft has disclosed CVE-2025-21229, a critical elevation of privilege vulnerability affecting multiple Windows operating systems that could allow attackers to gain SYSTEM-level access. This newly...
Microsoft warns all modern Windows builds at risk from CVE-2025-21228 SYSTEM-level zero-day
CVE-2025-21228: Critical Elevation of Privilege Vulnerability in Windows Microsoft has disclosed a severe elevation of privilege vulnerability (CVE-2025-21228) affecting multiple Windows versions...
Critical Windows EoP Vulnerability CVE-2025-21227: Analysis & Protection Guide
Microsoft has disclosed a critical elevation of privilege vulnerability in the Windows Digital Media framework, tracked as CVE-2025-21227, posing significant security risks to Windows 10 and Windows...