New capabilities for eDiscovery now available

With the exponential growth of data, there is a pressing need for broader visibility into ever-increasing case activities that require eDiscovery to extend to chat-based communication and collaboration tools. New capabilities help you manage eDiscovery in Microsoft Teams including the ability to...

Microsoft Teams Instant Messenger DLL Hijacking

Microsoft Teams Instant Messenger application on Windows 7 SP1 fully patched is vulnerable to remote DLL loading / hijacking because : a The OS does not ship with the affected libraryies b The Teams application does not provide the libraryies So, it performs a search according to the 'PATH'...

Gartner Names Microsoft a Leader in the 2019 Enterprise Information Archiving (EIA) Magic Quadrant

We often hear from customers about the explosion of data, and the challenge this presents for organizations in remaining compliant and protecting their information. We’ve invested in capabilities across the landscape of information protection and information governance, inclusive of archiving,...

Customer Guidance for the Dopplepaymer Ransomware

Microsoft has been investigating recent attacks by malicious actors using the Dopplepaymerransomware. There is misleading information circulating about Microsoft Teams, along with references to RDP BlueKeep, as ways in which this malware spreads. Our security research teams have investigated and...

Tackling the Collaboration Conundrum

It’s 8 a.m. and you’ve just polished off a full cup of dark-roast coffee to jump-start your day. After booting up your PC, you instinctively open up Outlook, along with Slack or Teams or TeamViewer. While chatting with a co-worker, you recall that you need to send administrative credentials to he...

Troubleshooting HDX Optimization for Microsoft Teams

This is a Live article - updated frequently with the latest info and known issues ------------------------------------------------------------------------------------------------------------------------------------------------- Recommended Teams version :latest version. Update history for...

Ensuring security of your Microsoft Teams apps with Microsoft Cloud App Security

Apps in Microsoft Teams allow you to leverage additional capabilities, enhance your experience, and make Teams work for you by adding your favorite Microsoft and third-party services. Today, hundreds of ecosystem apps provide a great way to enhance and customize Teams, but to enable applications...

Updates for Microsoft 365 help strengthen data privacy

As data continues to grow exponentially and travel across organizational boundaries, privacy and compliance professionals play an increasingly strategic role within organizations. Several updates—announced today—for Microsoft 365 provide organizations with more control and options to strengthen...

Announcing the Microsoft Graph Security Hackathon winners

Bringing together information from multiple disconnected security systems to solve today’s security challenges is complex. We recently asked Microsoft Graph Security Hackathon participants to come up with innovative solutions using the Microsoft Graph Security API, and they did not disappoint. We...

CVE-2019-5922

Untrusted search path vulnerability in The installer of Microsoft Teams allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory...

Design/Logic Flaw

Untrusted search path vulnerability in The installer of Microsoft Teams allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory...

CVE-2019-5922

Untrusted search path vulnerability in The installer of Microsoft Teams allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory...

CVE-2019-5922

The CVE-2019-5922 issue affects the installer of Microsoft Teams, where an unsafe DLL search path (App Dir DLL planting) could allow arbitrary code to run with the caller’s privileges. Affected product: the Teams installer (prior to version 1.3.00.362). Root cause: insecure loading of Dynamic Lin...

PT-2019-17863

Name of the Vulnerable Software and Affected Versions Microsoft Teams affected versions not specified Description The issue concerns an untrusted search path vulnerability in the installer of Microsoft Teams. This vulnerability allows an attacker to gain privileges via a Trojan horse DLL in an...

CVE-2019-5922: Untrusted Search Path

Untrusted search path vulnerability in The installer of Microsoft Teams allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory...

Microsoft Teams Dynamic Link Library Unsafe Loading Vulnerability

Microsoft Teams is a unified communications platform that combines continuous workplace chat, video conferencing, file storage and application integration. An unsafe loading of dynamic link libraries vulnerability exists in the Microsoft Teams installer. An attacker could exploit the vulnerabilit...

JVN#79543573: The installer of Microsoft Teams may insecurely load Dynamic Link Libraries

The installer of Microsoft Teams contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries CWE-427. Microsoft states that the root cause of this vulnerability is "Application Directory App Dir DLL planting" , thus there is no plan to release any...

How to share content easily and securely

This is the seventh post in our eight-blog series on deploying Intelligent Security scenarios. To read the previous entries, check out the Deployment series page. Cumbersome restrictions and limitations on mobile devices, apps, and remote access can be taxing from an IT perspective and frustratin...

Microsoft Teams URL Command Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Teams. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of...

Update on Petya malware attacks

As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including conflation of unrelated and misleading pieces of data, so Microsoft teams mobilized to investiga...