Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Critical RCE Bug CVE-2025-21240 Hits All Windows—Patch Now
Microsoft has disclosed a critical Windows vulnerability (CVE-2025-21240) affecting the Telephony Service, allowing remote code execution (RCE) on unpatched systems. This zero-day flaw poses...
Microsoft patches CVE-2025-21250: maximum severity 10.0 RCE hits all supported Windows editions
Microsoft has disclosed a critical remote code execution (RCE) vulnerability in the Windows Telephony Service (CVE-2025-21250) that could allow attackers to take complete control of affected systems....
Windows Emergency Patch Out for Actively Exploited Telephony Service RCE
A newly discovered critical vulnerability in Windows Telephony Service (CVE-2025-21417) exposes systems to remote code execution (RCE) attacks, putting millions of Windows devices at risk. This...
Microsoft Warns: Critical Windows Telephony Zero-Day Under Active Attack
Microsoft has issued an urgent security alert regarding CVE-2025-21246, a critical remote code execution (RCE) vulnerability affecting Windows Telephony Service. This zero-day flaw, currently being...
CVE-2025-21334: Critical Hyper-V Bug Threatens Windows Server Security
CVE-2025-21334: Critical Hyper-V Vulnerability Exposes Privilege Escalation Risks Microsoft's Hyper-V virtualization platform has been hit with a critical vulnerability, CVE-2025-21334, which exposes...
Microsoft issues emergency fix for critical Hyper-V guest-to-host escape flaw in Windows 11
Understanding CVE-2025-21333: Critical Hyper-V Vulnerability Explained A newly discovered critical vulnerability in Microsoft's Hyper-V virtualization platform, tracked as CVE-2025-21333, has raised...
CVE-2025-21311: Critical NTLMv1 Vulnerability Puts Windows Systems at Risk
A newly discovered critical vulnerability in Microsoft's NTLMv1 authentication protocol (CVE-2025-21311) has security experts urging immediate action from Windows administrators worldwide. This flaw,...
CVE-2025-21326: Attackers Exploit Retired IE, Microsoft Urges Emergency Patching
CVE-2025-21326: Critical Internet Explorer Vulnerability Explained Microsoft has issued a critical security alert regarding CVE-2025-21326, a newly discovered remote code execution (RCE)...
Microsoft issues emergency patch for critical CVE-2025-21332 Windows URL zone flaw
A newly discovered critical vulnerability, CVE-2025-21332, has sent shockwaves through the Windows security community. This flaw, affecting the MapUrlToZone function in Windows, could allow attackers...
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...
CVE-2025-21402: Critical OneNote Vulnerability Exposes Users to Remote Code Execution
CVE-2025-21402: Critical OneNote Vulnerability Exposed Microsoft has issued an urgent security alert regarding CVE-2025-21402, a critical remote code execution (RCE) vulnerability affecting Microsoft...