microsoft
Microsoft: March Windows updates break Teams, OneDrive sign-ins
Microsoft says the March Windows 11 update breaks sign-ins with Microsoft accounts across multiple Microsoft apps, including Teams and OneDrive. These sign-in issues appear after installing the KB5079473 cumulative update Microsoft released last week as part of this month’s Patch Tuesday, and, according to a Windows release health dashboard update published on Wednesday, will trigger warnings that […]
CISA urges US orgs to secure Microsoft Intune systems after Stryker breach
CISA warned U.S. organizations to follow Microsoft guidance to strengthen the Intune endpoint management tool after a cyberattack exploited it to wipe medical technology giant Stryker’s systems. Microsoft published guidance on hardening Intune administrative controls days after Stryker was breached in an incident claimed by Handala, an Iranian-linked and pro-Palestinian hacktivist group. The hackers claim that they stole 50 […]
Critical Microsoft SharePoint flaw now exploited in attacks
A critical Microsoft SharePoint vulnerability patched in January is now being exploited in attacks, the Cybersecurity and Infrastructure Security Agency (CISA) warned. Tracked as CVE-2026-20963, this security flaw affects SharePoint Enterprise Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition. Successful exploitation enables threat actors without privileges to achieve remote code execution on unpatched servers […]
Microsoft stops force-installing the Microsoft 365 Copilot app
Microsoft has stopped automatically installing the Microsoft 365 Copilot app on Windows devices that have the Microsoft 365 desktop client apps. The Microsoft 365 Copilot app integrates the AI-powered Copilot assistant with Microsoft 365 suite apps, including Word, Excel, and PowerPoint, as well as other features like AI agents and Notebooks. The forced rollout began […]
Microsoft shares fix for Windows C: drive access issues on Samsung PCs
Microsoft has shared guidance to fix C:\ drive access issues and app failures on some Samsung laptops running Windows 11, versions 25H2 and 24H2. This comes after a joint investigation with Samsung that pinned these issues on the Samsung Galaxy Connect app, used for screen mirroring, file sharing, and data transfer between Samsung Galaxy devices and […]
New Windows 11 hotpatch fixes Bluetooth device visibility issue
Microsoft has released an emergency update to fix a Bluetooth device visibility issue on hotpatch-enabled Windows 11 Enterprise devices. The Bluetooth devices will not appear in Windows Settings or Quick Settings, even though they’re functioning correctly and connected to affected systems. This bug could also prevent some users from adding new Bluetooth devices because available […]
Stryker attack wiped tens of thousands of devices, no malware needed
Last week’s cyberattack on medical technology giant Stryker was limited to its internal Microsoft environment and remotely wiped tens of thousands of employee devices. The organization says in an update on Sunday that all its medical devices are safe to use but electronic ordering systems remain offline, and customers must place orders manually through sales representatives. […]
Microsoft Exchange Online outage blocks access to mailboxes
Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars. “We’re investigating reports of some users experiencing issues when accessing their Exchange Online mailbox via one or more connection methods,” Microsoft said when it acknowledged the issue at 06:42 AM UTC. As Microsoft explained in a Microsoft […]
Microsoft releases Windows 11 OOB hotpatch to fix RRAS RCE flaw
Microsoft has released an out-of-band (OOB) update to fix a security vulnerabilities affecting Windows 11 Enterprise devices that receive hotpatch updates instead of the regular Patch Tuesday cumulative updates. The KB5084597 hotpatch update was released yesterday to fix vulnerabilities in the Windows Routing and Remote Access Service (RRAS) management tool that could allow remote code execution when […]
Microsoft: Windows 11 users can’t access C: drive on some Samsung PCs
Microsoft is investigating a new issue affecting some Samsung laptops running Windows 11 after installing the February 2026 security updates, in which users lose access to their C:\ drive and are unable to launch applications. The company says it is working with Samsung to determine whether the problem is related to the Windows updates or […]