Microsoft Security
The latest Microsoft Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-21172 rated 9.8 as unpatched .NET, Visual Studio zero-day exploited in attacks
Microsoft has disclosed a critical remote code execution (RCE) vulnerability (CVE-2025-21172) affecting multiple versions of the .NET Framework and Visual Studio, potentially allowing attackers to...
Unpatched Windows systems face full takeover risk via CVE-2025-21287 MSI flaw.
Exploring CVE-2025-21287: A Critical Windows Installer Vulnerability A newly discovered vulnerability in the Windows Installer service (CVE-2025-21287) has raised significant security concerns across...
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...
CVE-2025-21328: Critical Security Bypass Vulnerability Discovered in Windows Systems
Microsoft has issued a critical security alert regarding CVE-2025-21328, a newly discovered vulnerability affecting multiple Windows versions that could allow attackers to bypass security zones...
Critical Excel zero-day CVE-2025-21354 actively exploited, CVSS 9.8, no patch yet.
A newly discovered critical vulnerability in Microsoft Excel (CVE-2025-21354) has security experts sounding alarms about potential remote code execution (RCE) attacks. This zero-day flaw, currently...
Attacker can gain SYSTEM access via new Windows flaw CVE-2025-21315.
A newly discovered vulnerability in Windows operating systems, tracked as CVE-2025-21315, has raised significant concerns among cybersecurity experts. This elevation of privilege (EoP) flaw could...
Microsoft Issues Emergency Fix for Critical Windows RDS Zero-Day CVE-2025-21297
A newly discovered critical vulnerability in Windows Remote Desktop Services (RDS), tracked as CVE-2025-21297, has raised alarms across the cybersecurity community. This flaw, rated with a CVSS score...
CVE-2025-21294: Critical RCE Vulnerability in Microsoft Digest Authentication Exposes Windows Systems
A newly discovered remote code execution (RCE) vulnerability in Microsoft's Digest Authentication mechanism (CVE-2025-21294) poses a significant threat to Windows servers and enterprise networks....
CVE-2025-21289: Critical DoS Vulnerability in Microsoft Message Queuing (MSMQ) - What You Need to Know
Microsoft has disclosed a critical denial-of-service (DoS) vulnerability in its Message Queuing (MSMQ) service, tracked as CVE-2025-21289, which could allow attackers to crash systems running...
Security Risk Advisors Joins MISA: Enhancing Microsoft Security for Windows Users
Security Risk Advisors (SRA), a leading cybersecurity consulting firm, has officially joined the Microsoft Intelligent Security Association (MISA), marking a significant step forward in collaborative...
Oasis Security Exposes AuthQuake Flaw Enabling Azure MFA Bypass
A newly discovered vulnerability in Microsoft's Azure Multi-Factor Authentication (MFA) service has sent shockwaves through the cybersecurity community. Researchers at Oasis Security have uncovered a...
CVE-2024-49105: Critical Remote Desktop Client Vulnerability and How to Protect Your Systems
Microsoft has disclosed a critical vulnerability (CVE-2024-49105) in the Windows Remote Desktop Client that could allow attackers to execute arbitrary code on affected systems. This security flaw...