Certificate Management
The latest Certificate Management coverage — news, analysis, and updates from the WindowsNews.AI desk.
Siemens Patches Critical WinCC Certificate Manager Vulnerability CVE-2026-24349 with V21 Update 2
Siemens has released an urgent patch for a critical flaw in its WinCC Certificate Manager, tracked as CVE-2026-24349, that left industrial control systems open to man-in-the-middle attacks and...
Certifi Drops e-Tugra Root Certificates: CVE-2023-37920 Impact on Windows & Python Security
The recent removal of e-Tugra root certificates from the widely-used Certifi trust store, tracked as CVE-2023-37920, represents a significant security event with far-reaching implications for Windows...
Microsoft Urges Exchange Online Users to Trust DigiCert G2 Root Certificate
Microsoft has issued an urgent advisory for organizations using Exchange Online, warning that failure to trust the DigiCert Global Root G2 certificate could disrupt email communications starting in...
Apache mod_md Vulnerability CVE-2025-55753: How Renewal Backoff Overflow Creates Certificate Storms
A critical vulnerability in Apache HTTP Server's certificate management module has been discovered that could transform routine certificate renewal failures into devastating denial-of-service...
Kepware Edge Linux & Server Windows: Industrial Connectivity Modernization
The industrial automation landscape is undergoing a significant transformation as PTC's Kepware division announces a strategic split in its product offerings with the introduction of Kepware Edge, a...
Mastering Windows 11 Certificate Management: A Complete Guide to certmgr.msc
Windows 11 includes a powerful yet often overlooked tool that every power user and administrator should master: certmgr.msc, the Certificates Microsoft Management Console snap-in. This built-in...
HP OneAgent update wipes Microsoft Entra ID certificates, blocking enterprise device joins
A recent HP OneAgent update has created widespread disruption for enterprise Windows environments by inadvertently removing critical Microsoft certificates required for Entra ID (formerly Azure AD)...
Per-Mailbox Cloud Management Lets Admins Finally Retire the Last Exchange Server
Microsoft has released a per‑mailbox cloud management feature that finally gives hybrid Exchange organizations a clear path to unplugging the last on‑premises Exchange server. With the new...
KB5063878 Patch Warns: Windows 11 Secure Boot Certificates Expire in 2026
Microsoft’s August 2025 cumulative update for Windows 11, version 24H2, isn’t just another routine patch. KB5063878 (OS Build 26100.4946) delivers security and quality fixes, a bundled servicing...
Microsoft Enhances Windows 11 Setup with KB5062683 Update and Issues Secure Boot Warning
Microsoft Enhances Windows 11 Setup with KB5062683 Update and Issues Secure Boot Warning Microsoft has released a new update, KB5062683, aimed at improving the setup experience for Windows 11...
Secure Boot Certificate Expiry 2026: Critical Windows Security Update Guide
Microsoft's Secure Boot infrastructure is facing a pivotal moment in 2026 when the current set of cryptographic certificates expires. This expiration will affect millions of Windows devices,...
Secure Boot Certificate Expiration 2026: What Windows Users Must Know Now
For more than a decade, Secure Boot has stood as a linchpin of Windows device security, quietly but critically defending the early stages of operating system startup against sophisticated threats. As...