microsoft
Windows 11 KB5077181 fixes boot failures linked to failed updates
Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an “UNMOUNTABLE_BOOT_VOLUME” error after installing recent security updates, with the fix delivered in the February 2026 Patch Tuesday update. The boot issue, which Microsoft previously investigated and linked to failed December 2025 updates, affected a limited number of […]
CISA flags critical Microsoft SCCM flaw as exploited in attacks
CISA ordered U.S. government agencies on Thursday to secure their systems against a critical Microsoft Configuration Manager vulnerability patched in October 2024 and now exploited in attacks. Microsoft Configuration Manager (also known as ConfigMgr and formerly System Center Configuration Manager, or SCCM) is an IT administration tool for managing large groups of Windows servers and […]
Microsoft fixes bug that blocked Google Chrome from launching
Microsoft has fixed a known issue causing its Family Safety parental control service to block Windows users from launching Google Chrome and other web browsers. Family Safety helps parents monitor their children’s activity and provides screen time management, app controls, communication monitoring, content filtering, location tracking, and activity reports. Microsoft acknowledged the bug in late June 2025 […]
Microsoft: New Windows LNK spoofing issues aren’t vulnerabilities
Today, at Wild West Hackin’ Fest, security researcher Wietze Beukema disclosed multiple vulnerabilities in Windows LK shortcut files that allow attackers to deploy malicious payloads. Beukema documented four previously unknown techniques for manipulating Windows LNK shortcut files to hide malicious targets from users inspecting file properties. LNK shortcuts were introduced with Windows 95 and use a complex […]
Microsoft Store Outlook add-in hijacked to steal 4,000 Microsoft accounts
The AgreeTo add-in for Outlook has been hijacked and turned into a phishing kit that stole more than 4,000 Microsoft account credentials. Originally a legitimate meeting scheduling tool for Outlook users, the module was developed by an independent publisher and has been on the Microsoft Office Add-in Store since December 2022. Office add-ins are just URLs pointing […]
Microsoft releases Windows 11 26H1 for select and upcoming CPUs
Microsoft has announced Windows 11 26H1, but it’s not for existing PCs. Instead, it will ship on devices with Snapdragon X2 processors and possibly other rumored ARM chips. Microsoft insists Windows 11 is still following an annual update cadence, which means Windows 11 26H2 is likely on track. According to Microsoft, Windows 11 26H1 is […]
Microsoft February 2026 Patch Tuesday fixes 6 zero-days, 58 flaws
Today is Microsoft’s February 2026 Patch Tuesday with security updates for 58 flaws, including 6 actively exploited and three publicly disclosed zero-day vulnerabilities. This Patch Tuesday also addresses five “Critical” vulnerabilities, 3 of which are elevation of privileges flaws and 2 information disclosure flaws. The number of bugs in each vulnerability category is listed below: When GeekFeed […]
Microsoft releases Windows 10 KB5075912 extended security update
Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring Secure Boot certificates. If you are running Windows 10 Enterprise LTSC or are enrolled in the ESU program, you can install this update like normal by going into Settings, […]
Microsoft rolls out new Secure Boot certificates before June expiration
Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. Introduced in 2011, Secure Boot ensures that only trusted bootloaders can load on computers with UEFI firmware, helping block malicious software, such as rootkits, from executing during system startup by verifying […]
Microsoft announces new mobile-style Windows security controls
Microsoft wants to introduce smartphone-style app permission prompts in Windows 11 to request user consent before apps can access sensitive resources such as files, cameras, and microphones. The “Windows Baseline Security Mode” and “User Transparency and Consent” initiatives represent a major shift for the operating system that now powers more than 1 billion devices. Windows Platform engineer […]