kerberos

The spotlight is once again on Microsoft’s ecosystem as cybersecurity professionals and Windows users gear up to address a newly identified vulnerability – CVE-2025-21218. This vulnerability, categorized as a Denial of Service (DoS) exploit, specifically targets the Windows Kerberos...

Hold onto your hats, Windows enthusiasts, because a newly disclosed vulnerability might just have you looking twice at your authentication systems. Microsoft has released crucial information detailing a Zero-Day vulnerability in Kerberos authentication protocols dubbed CVE-2025-21299. This isn’t...

For Windows admins and cybersecurity enthusiasts, there’s a new name to pin on your wall of vulnerabilities—the recently disclosed CVE-2025-21242, an Information Disclosure vulnerability in the highly pivotal Windows Kerberos authentication system. This vulnerability is currently marked as an...

Microsoft has rolled out a crucial set of changes in its Privilege Attribute Certificate (PAC) Validation protocol, addressing two significant security vulnerabilities: CVE-2024-26248 and CVE-2024-29056. These updates, released via Windows security patches on April 9, 2024, and scaling...

In a move that secures systems while turning a significant page in authentication history, Microsoft has made decisive strides in phasing out the old and increasingly vulnerable NTLM (Net-NTLM or Windows NT LAN Manager) protocol. While many users likely missed this change amidst the flood of...

In a significant shift for security and authentication practices, Microsoft has commenced the removal of NTLM (New Technology LAN Manager) from its latest operating systems, specifically Windows 11 version 24H2 and Server 2025. This decision reflects the company's ongoing commitment to enhance...

In a bold move to fortify Windows environments, Microsoft has officially ramped up its defenses against NTLM relay attacks, a method that exploits the weaknesses of the long-reigning NTLM (NT LAN Manager) authentication protocol. As we venture into a new era for Windows security, it’s essential...

Introduction In the ever-evolving landscape of cybersecurity, vulnerabilities such as CVE-2024-43639 emerge as significant threats to Windows users. This particular flaw, identified as a Remote Code Execution (RCE) vulnerability within the Kerberos authentication protocol, raises urgent alarms...

CVE-2024-38129: A Closer Look at the Windows Kerberos Elevation of Privilege Vulnerability Overview of the Vulnerability CVE-2024-38129 has been flagged as an elevation of privilege vulnerability in Windows' Kerberos authentication protocol. As a widely used authentication method in various...

In a recent announcement from Microsoft, detailed in the update KB5014754, significant changes concerning certificate-based authentication for Windows domain controllers were presented. This update affects several versions of Windows Server, including 2012 R2, 2016, and 2019, extending the scope...

CVE-2024-29995: Windows Kerberos Elevation of Privilege Vulnerability Overview In August 2024, Microsoft disclosed a significant vulnerability identified as CVE-2024-29995, which pertains to the Kerberos authentication protocol used in Windows operating systems. This vulnerability allows...

In the realm of Windows security, the continuous battle against vulnerabilities remains ever-present. Recently, steps have been released to mitigate vulnerabilities in Kerberos Signature Validation through the unveiling of KB5037754. This article delves into the essential information surrounding...

Hello, we are facing an issue where the domain admin accounts are becoming locked randomly. We have filtered out the event 4740 in the windows security log and we can see the PCs triggering this lockdown. ------------------------------------- A user account was locked out. Subject: Security ID...

Hello Windows Insiders, today we’re releasing Windows 11 Build 22000.588 (KB5011563) to Windows Insiders in the Beta and Release Preview Channels. This update includes the following improvements: New! We displayed up to three high priority toast notifications simultaneously. This feature is for...

Hello Windows Insiders, today we’re releasing 21H1 Build 19043.928 (KB5001330) the Beta Channel for those Insiders who are on 21H1 (Click here for the 21H1 announcement). This update is also available for commercial devices in the Release Preview Channel on 21H1 as mentioned here in this blog...

Vulnerability is detected on "Kerberos Information Disclosure" . According to vulnerability scanning tool below vulnerability is detected on windows 2012 R2. We have to fix it. Explanation of Issue: The remote Kerberos service discloses an accurate timestamp as well as the name of its...

Severity Rating: Important Revision Note: V1.0 (November 10, 2015): Bulletin published. Summary: This security update resolves a security feature bypass in Microsoft Windows. An attacker could bypass Kerberos authentication on a target machine and decrypt drives protected by BitLocker. The...

Today, we released an out-of-band security update to address a vulnerability in Kerberos which could allow Elevation of Privilege. This update is for all supported versions of Windows Server and includes a defense-in-depth update for all supported versions of Windows. We strongly encourage...

Original release date: November 19, 2014 Systems Affected Microsoft Windows Vista, 7, 8, and 8.1 Microsoft Server 2003, Server 2008, Server 2008 R2, Server 2012, and Server 2012 R2 Overview A remote escalation of privilege vulnerability exists in implementations of Kerberos Key Distribution...

Severity Rating: Critical Revision Note: V1.0 (November 18, 2014): Bulletin published Summary: This security update resolves a privately reported vulnerability in Microsoft Windows Kerberos KDC that could allow an attacker to elevate unprivileged domain user account privileges to those of the...