windows
Microsoft fixes Windows update failures linked to WUSA installer
Microsoft has fixed a known issue that caused Windows updates released since May 2025 to fail when installed via the Windows Update Standalone Installer (WUSA) from a network share. WUSA is a built-in Windows command-line tool that helps admins install and uninstall Microsoft Standalone Update (.msu) files through the Windows Update Agent API to deploy […]
Microsoft fixes BitLocker recovery bug on Windows Server 2025
Microsoft has resolved a known issue causing some Windows Server 2025 devices to boot into BitLocker recovery after installing the April 2026 security update. The BitLocker security feature encrypts storage drives to prevent data theft and will typically force Windows computers to enter recovery mode after hardware changes or events, such as TPM (Trusted Platform […]
Microsoft: Some Windows PCs fail to install latest monthly updates
Microsoft warned customers on Tuesday that they may have issues installing the latest monthly updates on some Windows devices that were upgraded to Windows 11 24H2 or 25H2. On affected systems, users will see 0x80073712 or 0x800f0993 errors when trying to install the June 2026 cumulative updates. “A small percentage of devices running Windows 10, […]
Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days
On Tuesday, Microsoft patched two zero-day vulnerabilities that let attackers gain SYSTEM privileges on fully patched Windows systems, and a third one that grants access to BitLocker-protected drives. All three security flaws were disclosed last month by a security researcher using the “Nightmare Eclipse” handle in protest over how the Microsoft Security Response Center (MSRC) […]
Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flaws
Today is Microsoft’s June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks. This Patch Tuesday addresses 33 “Critical” vulnerabilities, 28 of which are remote code execution, 4 are elevation of privilege, and 1 is an information disclosure flaw. The number of bugs in […]
Windows 11 KB5094126 & KB5093998 cumulative updates released
Microsoft has released Windows 11 KB5094126 and KB5093998 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the June 2026 Patch Tuesday security patches for several vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually download and […]
Microsoft blames unexpected Windows driver updates on caching issue
On Wednesday, Microsoft fixed an issue that caused some Windows devices to install driver updates without notice despite policies configured to prevent auto-updates. In an admin center incident report (MO1332784), Microsoft blamed the issue on a misconfiguration in the Windows Update caching service that temporarily dropped device enrollment information, causing some Windows devices to be treated […]
Critical Windows Netlogon RCE flaw now exploited in attacks
The Centre for Cybersecurity Belgium (CCB), the country’s national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks. Netlogon is a remote procedure call (RPC) interface and a core Microsoft Windows Server background service that authenticates services and users on Windows domain-based networks. Microsoft […]
Microsoft fixes KB5089549 Windows security update install issues
Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). As Microsoft explained when it acknowledged the issue two weeks ago, these failures are caused by insufficient free space on the EFI System Partition (ESP), which results in the update automatically rolling back on impacted […]
Windows 11 KB5089573 update released with performance improvements
Microsoft has released the KB5089573 preview cumulative update for Windows 11 versions 25H2 and 24H2, which comes with 30 changes, including performance and reliability improvements. The KB5089573 update is part of the company’s non-security preview schedule, designed to introduce new features and fixes at the end of each month, allowing IT admins and users to test them […]