Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Update Windows now: Critical Secure Boot flaw CVE-2025-21211 allows boot bypass
A newly discovered critical vulnerability in Windows Secure Boot, tracked as CVE-2025-21211, has raised alarms across the cybersecurity community. This flaw could allow attackers to bypass Secure...
CVE-2025-21202: Critical Windows Recovery Environment Flaw Exposes Systems to Privilege Escalation
A newly discovered vulnerability in Windows Recovery Environment (WinRE) has raised significant security concerns for enterprises and individual users alike. CVE-2025-21202, rated as critical by...
Patch Now: Critical CVE-2025-21207 Exploits Windows Cdpsvc for DoS Attacks
The cybersecurity landscape is constantly evolving, and Microsoft Windows remains a prime target for attackers. A newly discovered vulnerability, CVE-2025-21207, has raised concerns due to its impact...
CVE-2025-21193: Understanding the AD FS Spoofing Vulnerability and Its Impact on Windows Security
CVE-2025-21193: Understanding the AD FS Spoofing Vulnerability Microsoft's Active Directory Federation Services (AD FS) has been a cornerstone of enterprise identity management for years, but a newly...
Microsoft Message Queuing Vulnerability CVE-2025-21220: Critical Security Alert
Microsoft has disclosed a critical vulnerability (CVE-2025-21220) in its Message Queuing (MSMQ) service that could allow attackers to access sensitive information from affected Windows systems. This...
Emergency patch released for critical CVE-2025-21329 Windows zone mapping flaw
A newly discovered critical vulnerability in Windows, tracked as CVE-2025-21329, exposes systems to potential security bypass attacks through the MapUrlToZone API. This flaw, affecting multiple...
Microsoft warns CVE-2025-21278 DoS flaw in Windows RD Gateway (CVSS 8.6) risks crashing remote access; mitigate now.
Microsoft has disclosed a critical vulnerability (CVE-2025-21278) affecting Windows Remote Desktop Gateway (RD Gateway) that could allow attackers to launch devastating Denial-of-Service (DoS)...
CVE-2025-21217: Critical NTLM Vulnerability Threatens Windows Security in 2025
CVE-2025-21217: Critical NTLM Vulnerability Threatens Windows Security A newly discovered vulnerability in Windows' NT LAN Manager (NTLM) authentication protocol has sent shockwaves through the...
UPnP memory corruption bug CVE-2025-21389 lets attackers crash Windows via port 1900
A newly discovered critical vulnerability (CVE-2025-21389) in Windows' Universal Plug and Play (UPnP) host service (upnphost.dll) exposes systems to denial-of-service (DoS) attacks. This security...
Windows Zero-Day Alert: CVE-2025-21219 Exploits MapUrlToZone for Privilege Escalation
CVE-2025-21219: Understanding the New Windows Security Vulnerability A newly discovered security vulnerability, tracked as CVE-2025-21219, has raised concerns among Windows users and IT...
Critical .NET Zero-Day CVE-2025-21173: Patch Now for Privilege Escalation
Microsoft has issued an urgent security advisory regarding CVE-2025-21173, a critical elevation of privilege vulnerability in the .NET framework affecting all supported Windows versions. This...
Windows 8.8 CVSS bug lets attackers hijack system via malicious media files
CVE-2025-21327: Critical Windows Digital Media Vulnerability Exposed Microsoft has disclosed a serious elevation of privilege vulnerability (CVE-2025-21327) affecting Windows Digital Media components...