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Exchange Online Mailbox Access Issues Persist for Outlook Users
Microsoft Exchange Online users on Outlook mobile and macOS are experiencing intermittent mailbox access issues for weeks; investigation ongoing.
Windows 11 Version 24H2 Force Upgrade for Unmanaged PCs
Microsoft initiates forced upgrades to Windows 11 24H2 for unmanaged Home and Pro devices to maintain security support and critical update delivery.
Classic Outlook Bug Halts Outlook.com Email Delivery for Users
Microsoft is actively investigating a Classic Outlook bug preventing some users from sending emails via Outlook.com. This impacts email delivery and communication.
EvilTokens Fuels Microsoft Device Code Phishing & BEC
New EvilTokens service automates Microsoft device code phishing, enabling account takeover and sophisticated business email compromise (BEC) attacks. Learn how to defend.
WhatsApp VBS Malware Bypasses UAC to Hijack Windows Systems
Microsoft warns of a new campaign distributing VBS malware via WhatsApp, exploiting UAC bypass to establish persistence and remote access on Windows systems, starting…
Windows 11 KB5086672 Emergency Update Fixes Installation Issues
Microsoft issues emergency update KB5086672 to resolve installation failures and boot loops caused by the KB5079391 non-security preview update.
Microsoft Fixes Outlook Classic Crashes Caused by Teams Add-in
Microsoft resolves persistent crashes in Outlook Classic triggered by the Teams Meeting Add-in. Technical details for IT administrators to verify the fix.
Windows 11 KB5079391 Update Pulled: Resolving 0x80073712 Errors
Microsoft withdraws the Windows 11 KB5079391 preview update following widespread reports of 0x80073712 installation failures on version 24H2 systems.
Windows 11 KB5079391: Smart App Control AI Enhancements for 24H2
Microsoft releases Windows 11 KB5079391 preview update, enhancing Smart App Control with AI models to mitigate malicious software execution on 24H2 systems.
Bubble Platform Abuse: Credential Phishing Targets Microsoft Accounts
Threat actors are abusing the Bubble no-code platform to host sophisticated phishing campaigns, bypassing traditional detection and targeting Microsoft account…
Microsoft Outlook Fixes Gmail IMAP Sync Bug in Version 2404
Microsoft resolves a persistent bug in Classic Outlook causing IMAP synchronization failures and connection errors for Gmail and Yahoo mail users.
Microsoft Xbox One Hardware Security Defeated via Bliss Exploit
Security researchers have bypassed Microsoft Xbox One hardware security using the Bliss voltage glitching exploit, enabling unsigned code execution.
Exchange Online Service Change: Solving Outlook for Mac Access Issues
Microsoft addresses a service disruption in Exchange Online caused by virtual account updates affecting Outlook for Mac and mobile device connectivity.
IRS Phishing Campaign Targets 29,000 Users with RMM Malware
Microsoft warns of a widespread IRS phishing campaign targeting 29,000 users with tax-themed lures to deploy RMM malware and steal enterprise credentials.
KB5085516 Emergency Update: Fix for Microsoft Account Sign-in Failures
Microsoft releases emergency KB5085516 update to resolve widespread authentication failures affecting OneDrive, Teams, and other cloud-integrated services.
Azure Monitor Alert Abuse: Detecting Callback Phishing Campaigns
Threat actors are abusing Microsoft Azure Monitor Action Groups to send legitimate-looking callback phishing emails to bypass traditional security filters.
KB5079473 Update Breaks Microsoft Account Sign-ins on Windows 11
Microsoft confirms the KB5079473 March update for Windows 11 disrupts sign-ins for Teams and OneDrive. Technical analysis and remediation for affected systems.
Secure Microsoft Intune Systems Against Wipe Attacks - CISA Warning
CISA urges organizations to secure Microsoft Intune following a breach at Stryker where attackers used the management tool to wipe corporate systems.
Hardening Endpoint Management Systems: CISA Alert on Intune Attacks
CISA warns of active cyberattacks targeting endpoint management systems, specifically Microsoft Intune.
CVE-2026-20963: Microsoft SharePoint Deserialization Exploit — Patch Now
CISA adds CVE-2026-20963, a Microsoft SharePoint deserialization vulnerability, to its KEV catalog due to active exploitation.
Tech Giants Pledge $12.5M to Bolster Open Source Software Security
Anthropic, AWS, Google, Microsoft, and OpenAI invest $12.5 million into the OpenSSF to mitigate systemic supply chain risks in open source ecosystems.
Tech Giants Sign Industry Pact to Combat Online Scams and Fraud
Leading tech firms including Google, Meta, and Microsoft sign a collaborative pact to enhance cross-platform intelligence sharing and fight online scams.
Windows 11 24H2 Samsung Galaxy Book C: Drive Access Fix
Microsoft releases technical guidance to resolve C: drive access denied errors and application failures on Samsung Galaxy Book devices running Windows 11.
Remote Device Wiping Attack Hits Stryker via Microsoft Environment
An attack on medical technology firm Stryker resulted in the remote wiping of tens of thousands of devices by leveraging internal management tools and identity.