windows
Microsoft: Windows 11 update causes Outlook freezes for POP users
Microsoft is investigating widespread reports that a January Windows 11 security update is causing the classic Outlook desktop client to freeze and hang for users with POP email accounts. POP (Post Office Protocol) is an email retrieval protocol used for downloading emails from a server to a local device. While POP isn’t as widely used […]
Microsoft: Some Windows PCs fail to shut down after January update
Microsoft has confirmed a new issue that prevents Windows 11 23H2 devices with System Guard Secure Launch enabled from shutting down. System Guard Secure Launch is a Windows security feature designed to protect the boot process from firmware-level attacks and malware such as rootkits. According to a release health dashboard update on Thursday, this known […]
Reprompt attack let hackers hijack Microsoft Copilot sessions
Researchers identified an attack method dubbed “Reprompt” that could allow attackers to infiltrate a user’s Microsoft Copilot session and issue commands to exfiltrate sensitive data. By hiding a malicious prompt inside a legitimate URL and bypassing Copilot’s protections, a hacker could maintain access to a victim’s LLM session after the user clicks on a single […]
Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws
Today is Microsoft’s January 2026 Patch Tuesday with security updates for 114 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. This Patch Tuesday also addresses eight “Critical” vulnerabilities, 6 of which are remote code execution flaws and 2 are elevation-of-privilege flaws. The number of bugs in each vulnerability category is listed below: When […]
New Windows updates replace expiring Secure Boot certificates
Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like rootkit malware) from executing during the system startup sequence by ensuring that only trusted bootloaders can load on computers with UEFI firmware. This is done by checking the software’s digital signature […]
Fake MAS Windows activation domain used to spread PowerShell malware
A typosquatted domain impersonating the Microsoft Activation Scripts (MAS) tool was used to distribute malicious PowerShell scripts that infect Windows systems with the ‘Cosmali Loader’. GeekFeed has found that multiple MAS users began reporting on Reddit [1, 2] yesterday that they received pop-up warnings on their systems about a Cosmali Loader infection. You have been infected by a malware […]
Microsoft rolls out hardware-accelerated BitLocker in Windows 11
Microsoft is rolling out hardware-accelerated BitLocker in Windows 11 to address growing performance and security concerns by leveraging the capabilities of system-on-a-chip and CPU. BitLocker is the native full-disk encryption feature in Windows that protects data from being readable without proper authentication. During normal device boot, it relies on the Trusted Platform Module (TPM) to securely […]
Microsoft: Recent Windows updates break RemoteApp connections
Microsoft has confirmed that recent Windows updates trigger RemoteApp connection failures on Windows 11 24H2/25H2 and Windows Server 2025 devices in Azure Virtual Desktop environments. RemoteApp enables users to stream individual Windows applications from the cloud without loading an entire virtual desktop, making them to run like local, native applications. This known issue occurs after […]
Microsoft asks admins to reach out for Windows IIS failures fix
Microsoft has asked businesses to reach out for advice on how to temporarily mitigate a known Message Queuing (MSMQ) issue causing enterprise apps and Internet Information Services (IIS) sites to fail. MSMQ is an optional Windows service commonly used in enterprise environments that helps apps communicate over a network. The known issue mainly affects enterprise users with Windows 10 22H2, Windows […]
Microsoft: December security updates cause Message Queuing failures
Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites. This known issue affects Windows 10 22H2, Windows Server 2019, and Windows Server 2016 systems that have installed the KB5071546, KB5071544, and KB5071543 security updates released during this month’s Patch Tuesday. On impacted systems, users […]