Ntlm
The latest Ntlm coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows Kerberos NTLM Hardening Breaks Sysprep/Clone Authentication: Event 6167 Explained
Windows administrators deploying cloned or sysprepped images are hitting authentication failures after recent security updates. Microsoft's hardening changes to Kerberos and NTLM protocols now...
Microsoft Begins NTLM Deprecation: Windows Preview Blocks Legacy Protocol by Default
Microsoft has taken a decisive step in its long-running campaign to retire the NTLM authentication protocol, announcing that Windows 11 preview builds will now block NTLM by default. This move...
Windows Kerberos First: Microsoft Details NTLM Deprecation Timeline
Microsoft has officially announced a comprehensive, phased plan to deprecate and eventually remove NTLM (NT LAN Manager) authentication from Windows environments, marking a significant shift in the...
New Windows Explorer Vulnerability Leaks NTLM Credentials—Here’s How to Block It Now
Microsoft has assigned CVE-2026-20925 to a newly confirmed vulnerability that can expose Windows NTLM authentication data when users simply browse or preview a malicious file in File Explorer. The...
Windows Explorer Preview Pane Blocked for Downloaded Files: Security Update Analysis
Microsoft's October 2025 security update has fundamentally changed how Windows handles file previews for downloaded content, leaving many users confused when their File Explorer preview pane suddenly...
Microsoft Disables File Explorer Preview Pane for Internet Files to Stop NTLM Credential Theft
Microsoft has implemented a significant security change in Windows File Explorer that disables the Preview pane functionality for files flagged as originating from the Internet zone. This quiet but...
CVE-2025-58739: Windows File Explorer Spoofing Vulnerability Exposes NTLM Credentials
Microsoft has disclosed a critical security vulnerability in Windows File Explorer that could allow attackers to spoof user interfaces and potentially expose NTLM credentials to unauthorized parties....
CVE-2025-59185: Critical Windows NTLM Spoofing Flaw Demands Immediate Patching
Microsoft has disclosed a significant security vulnerability, tracked as CVE-2025-59185, within the Windows Core Shell component, classified as a spoofing issue that could lead to NTLM credential...
Microsoft's September Patch Tuesday: 86 Fixes, Yet Zero-Day Questions Remain
Microsoft shipped 86 security patches on September 9, 2025, addressing a sprawling set of vulnerabilities in Windows, Office, SQL Server, and other platforms. Yet only hours after the release, a...
Microsoft’s September Patches Put a Target on SMB and HPC—81 CVEs, One Public Disclosure
Microsoft’s September 2025 security update lands with 81 freshly patched vulnerabilities, and the mix is anything but quiet: a publicly disclosed Server Message Block (SMB) elevation-of-privilege...
Critical Hyper-V Escapes and SMB Audit Headline Microsoft's September Patch Blitz
Microsoft’s September Patch Tuesday delivers more than 80 security fixes — eight of them rated critical — and introduces new SMB audit tooling designed to let administrators discover and harden...
Microsoft’s September 2025 Patch Tuesday Delivers 80 Fixes and SMB Audit Tools as Critical Deadlines Loom
Microsoft shipped roughly 80 security fixes in its September 2025 Patch Tuesday release, tackling critical remote code execution flaws in Office, NTFS, and Hyper‑V while quietly rolling out a new...