Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-21313: Critical SAM Vulnerability Threatens Windows Authentication
Microsoft has disclosed a significant security vulnerability affecting the Windows Security Account Manager (SAM), designated as CVE-2025-21313, which could allow attackers to launch...
New Windows Server Kerberos bug (CVE-2025-21218) enables remote DoS attacks with CVSS 9.1 rating.
The cybersecurity landscape has been shaken by the discovery of CVE-2025-21218, a critical vulnerability in Microsoft's Kerberos implementation that could allow attackers to cause widespread...
Microsoft patches critical Windows CSC flaw granting SYSTEM privileges
Microsoft has disclosed a critical elevation of privilege vulnerability (CVE-2025-21378) affecting the Windows Client Side Caching (CSC) service, posing significant risks to unpatched systems. This...
Microsoft Warns of SYSTEM-Level Access via CVE-2025-21372 in Windows Brokering File System
CVE-2025-21372: Critical Elevation of Privilege Vulnerability in Microsoft Brokering File System Microsoft has disclosed a serious elevation of privilege vulnerability (CVE-2025-21372) affecting the...
CVE-2025-21370: Critical VBS Flaw Lets Attackers Escalate to SYSTEM Access
CVE-2025-21370: Critical VBS Vulnerability Exposes Windows Security Flaws A newly discovered vulnerability, tracked as CVE-2025-21370, has sent shockwaves through the cybersecurity community,...
Microsoft Defender Web Threat Defense flaw (CVE-2025-21343) exposes Windows systems to remote data theft
A newly discovered security vulnerability, tracked as CVE-2025-21343, has been identified in Microsoft Defender's Web Threat Defense component, posing a significant information disclosure risk to...
Windows VBS Flaw CVE-2025-21340: Patch Now for Privilege Escalation Risk
Microsoft has recently disclosed a critical security vulnerability (CVE-2025-21340) affecting Virtualization-Based Security (VBS) in Windows, raising concerns among enterprise and individual users...
Microsoft Urges Immediate Patching for Critical Windows CryptoAPI Flaw CVE-2025-21336
CVE-2025-21336 Vulnerability: A Critical Threat to Windows Cryptography A newly discovered vulnerability, tracked as CVE-2025-21336, poses a severe risk to Windows systems by exploiting flaws in...
Windows Installer zero-day (CVE-2025-21331) grants SYSTEM access across all Windows 10/11 and Server builds.
CVE-2025-21331: Critical Windows Installer Vulnerability Explained Microsoft has disclosed a severe elevation of privilege vulnerability (CVE-2025-21331) in the Windows Installer service that could...
Patch Now: CVE-2025-21312 Exposes Windows Smart Card Auth Data
Windows users and IT administrators must urgently address CVE-2025-21312, a newly discovered vulnerability affecting the Windows Smart Card subsystem that could expose sensitive authentication data....
Microsoft patches CVE-2025-21310 Windows zero-day with EoP risks
Microsoft has recently disclosed CVE-2025-21310, a critical Windows vulnerability that could allow attackers to execute elevation of privilege (EoP) attacks. This security flaw, affecting multiple...
CVE-2025-21307: Critical Remote Code Execution Vulnerability Discovered in Windows RMCAST Driver
A newly discovered critical vulnerability, tracked as CVE-2025-21307, exposes Windows systems to remote code execution (RCE) attacks through a flaw in the RMCAST (Reliable Multicast Protocol) driver....