Spnego
The latest Spnego coverage — news, analysis, and updates from the WindowsNews.AI desk.
Critical Windows LSASS Bug Exposes Domain Controllers to Authentication DoS Attacks
Microsoft’s latest security advisory for CVE-2025-53809 details a network-exploitable denial-of-service flaw in the Windows Local Security Authority Subsystem Service, the bedrock of authentication...
Windows NEGOEX Integer Overflow Lets Attackers Escalate to SYSTEM—Patch Now
Microsoft has released a security update to plug a critical elevation-of-privilege hole in the Windows NEGOEX authentication mechanism. Tracked as CVE-2025-54895, the flaw stems from an integer...
Windows Server Security: BeyondTrust's 10-Year Report Uncovers Recurring RCE and EoP Threats
A decade of Microsoft security bulletins reveals a stubborn truth: the same handful of vulnerability classes keep hammering Windows Server environments, and defenders who ignore these patterns do so...
KB5063880: Microsoft Fortifies Server 2022 Netlogon, Raises Red Flag on June 2026 Secure Boot Expiry
Microsoft’s August 12, 2025 cumulative update for Windows Server 2022 doesn’t just patch bugs—it closes a quartet of remotely exploitable denial-of-service flaws in the Netlogon protocol and...
Microsoft Patches Win-DDoS Flaws: Critical Update Blocks Attackers from Turning DCs into DDoS Amplifiers
Microsoft’s July 2025 Patch Tuesday delivered a knockout blow to a dangerous new attack technique that could transform unpatched Windows domain controllers into unwitting participants in massive...
CVE-2025-21295: Critical RCE Vulnerability in Windows NEGOEX Protocol Puts Systems at Risk
CVE-2025-21295: Urgent RCE Vulnerability in Windows NEGOEX Exposed Microsoft has issued an urgent security advisory regarding CVE-2025-21295, a critical Remote Code Execution (RCE) vulnerability in...