Security Update
Microsoft: Windows 11 might fail to start after installing KB5058405
Microsoft has confirmed that some Windows 11 systems might fail to start after installing the KB5058405 cumulative update released during this month’s Patch Tuesday. On affected devices, users see 0xc0000098 recovery errors in ACPI.sys, warning that the device has to be repaired because the operating system couldn’t be loaded. ACPI.sys is the Windows Advanced Configuration […]
Mozilla fixes Firefox zero-days exploited at hacking contest
Mozilla released emergency security updates to address two Firefox zero-day vulnerabilities demonstrated in the recent Pwn2Own Berlin 2025 hacking competition. The fixes, which include the Firefox on Desktop and Android and two Extended Support Releases (ESR), came mere hours after the conclusion of Pwn2Own, on Saturday, where the second vulnerability was demonstrated. The first flaw, tracked under CVE-2025-4918, […]
Microsoft fixes Linux boot issues on dual-boot Windows systems
Microsoft has fixed a known issue preventing Linux from booting on dual-boot systems with Secure Boot enabled after installing the August 2024 Windows security updates. The list of affected systems includes those running client (Windows 10 and Windows 11) and server (Windows Server 2012 and later) OS versions. This issue is triggered by a Secure Boot Advanced Targeting (SBAT) […]
Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws
Today is Microsoft’s May 2025 Patch Tuesday, which includes security updates for 72 flaws, including five actively exploited and two publicly disclosed zero-day vulnerabilities. This Patch Tuesday also fixes six “Critical” vulnerabilities, five being remote code execution vulnerabilities and another an information disclosure bug. The number of bugs in each vulnerability category is listed below: […]
Windows 10 KB5058379 update fixes SgrmBroker errors in Event Viewer
Microsoft has released the KB5058379 cumulative update for Windows 10 22H2 and Windows 10 21H2, with four fixes and changes, including one for an SGRMBroker bug. The Windows 10 KB5058379 update is mandatory as it contains Microsoft’s May 2025 Patch Tuesday security updates, which fix seven zero-day vulnerabilities. Windows users can install this update by going into Settings, clicking on Windows Update, and manually […]
Microsoft will update Office apps on Windows 10 until 2028
Microsoft has backtracked on its plan to end support for Office apps on Windows 10 later this year and announced that it will continue providing security updates for three more years, until 2028. This announcement comes after the company warned in January that it would drop support for Microsoft 365 Apps like Word, and they’ll have to upgrade their […]
Windows “inetpub” security fix can be abused to block future updates
A recent Windows security update that creates an ‘inetpub’ folder has introduced a new weakness allowing attackers to prevent the installation of future updates. After people installed this month’s Microsoft Patch Tuesday security updates, Windows users suddenly found an “inetpub” folder owned by the SYSTEM account created in the root of the system drive, normally the C: drive. It […]
Microsoft: Windows ‘inetpub’ folder created by security fix, don’t delete
Microsoft has now confirmed that an April 2025 Windows security update is creating a new empty “inetpub” folder and warned users not to delete it. This folder is typically used by Microsoft’s Internet Information Services (IIS), a web server platform that can be enabled via the Windows Features dialog to host websites and web apps. […]
Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws
Today is Microsoft’s April 2025 Patch Tuesday, which includes security updates for 134 flaws, including one actively exploited zero-day vulnerability. This Patch Tuesday also fixes eleven “Critical” vulnerabilities, all remote code execution vulnerabilities. The number of bugs in each vulnerability category is listed below: The above numbers do not include Mariner flaws and 13 Microsoft […]
Windows 10 KB5055518 update fixes random text when printing
Microsoft has released the KB5055518 cumulative update for Windows 10 22H2 and Windows 10 21H2, with nine changes or fixes. The Windows 10 KB5055518 update is mandatory as it contains Microsoft’s April 2025 Patch Tuesday security updates, which fix six actively exploited zero-day vulnerabilities. Windows users can install this update by going into Settings, clicking on Windows Update, and manually performing […]