#microsoft


Microsoft: Teams increasingly abused in helpdesk impersonation attacks

Apr 20, 2026 // 18:17

Microsoft is warning of threat actors increasingly abusing external Microsoft Teams collaboration and relying on legitimate tools for access and lateral movement on enterprise networks. […]

Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched

Apr 17, 2026 // 16:24

Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity […]

New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges

Apr 17, 2026 // 01:17

A researcher known as “Chaotic Eclipse” has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed “RedSun,” in the past two weeks, protesting […]

Microsoft pays $2.3M for cloud and AI flaws at Zero Day Quest

Apr 15, 2026 // 19:58

Microsoft has awarded $2.3 million to security researchers after receiving nearly 700 submissions during this year’s Zero Day Quest hacking contest. Tom Gallagher, Vice President of […]

April Patch Tuesday Fixes Critical Flaws Across SAP, Adobe, Microsoft, Fortinet, and More

Apr 15, 2026 // 15:40

A number of critical vulnerabilities impacting products from Adobe, Fortinet, Microsoft, and SAP have taken center stage in April’s Patch Tuesday releases. Topping the list is an […]

Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities

Apr 15, 2026 // 11:50

Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively exploited in the wild. Of these 169 […]

Microsoft releases Windows 10 KB5082200 extended security update

Apr 15, 2026 // 10:17

Microsoft has released the Windows 10 KB5082200 extended security update to fix the April 2026 Patch Tuesday vulnerabilities, including 2 zero-days. This update brings some […]

Microsoft adds Windows protections for malicious Remote Desktop files

Apr 15, 2026 // 10:17

Microsoft has introduced new Windows protections to defend against phishing attacks that abuse Remote Desktop connection (.rdp) files, adding warnings and disabling risky shared resources […]

VENOM phishing targets top execs, grabbing Microsoft logins.

Apr 10, 2026 // 00:57

A new phishing-as-a-service (PhaaS) platform dubbed “VENOM” is being used by malicious actors to steal credentials from high-level executives (like CEOs) in various sectors. This […]

Microsoft halts developer accounts linked to prominent open-source projects.

Apr 9, 2026 // 18:38

Microsoft has blocked developer accounts used for several popular open-source projects, hindering their ability to release updates and security fixes for Windows, and seemingly without […]

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