Lync Server Security Vulnerabilities

CVE-2013-1302

Microsoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an invitation that triggers access to a deleted object, aka "Lync RCE Vulnerability."

CVE-2014-1823

Cross-site scripting (XSS) vulnerability in the Web Components Server in Microsoft Lync Server 2010 and 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL containing a valid meeting ID, aka "Lync Server Content Sanitization Vulnerability."

CVE-2014-4068

The Response Group Service in Microsoft Lync Server 2010 and 2013 and the Core Components in Lync Server 2013 do not properly handle exceptions, which allows remote attackers to cause a denial of service (daemon hang) via a crafted call, aka "Lync Denial of Service Vulnerability."

CVE-2014-4070

Cross-site scripting (XSS) vulnerability in the Web Components Server in Microsoft Lync Server 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Lync XSS Information Disclosure Vulnerability."

CVE-2014-4071

The Server in Microsoft Lync Server 2013 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon hang) via a crafted request, aka "Lync Denial of Service Vulnerability."

CVE-2015-2531

Cross-site scripting (XSS) vulnerability in the jQuery engine in Microsoft Lync Server 2013 and Skype for Business Server 2015 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Skype for Business Server and Lync Server XSS Information Disclosure Vulnerability."

CVE-2015-2532

Cross-site scripting (XSS) vulnerability in Microsoft Lync Server 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Lync Server XSS Information Disclosure Vulnerability."

CVE-2015-2536

Cross-site scripting (XSS) vulnerability in Microsoft Lync Server 2013 and Skype for Business Server 2015 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Skype for Business Server and Lync Server XSS Elevation of Privilege Vulnerability."

CVE-2019-0798

A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.

CVE-2019-1029

A denial of service vulnerability exists in Skype for Business, aka 'Skype for Business and Lync Server Denial of Service Vulnerability'.

CVE-2020-1025

An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.To exploit this vulnerability, an ...

CVE-2021-24073

Skype for Business and Lync Spoofing Vulnerability

CVE-2021-24099

Skype for Business and Lync Denial of Service Vulnerability

CVE-2021-26421

Skype for Business and Lync Spoofing Vulnerability

CVE-2021-26422

Skype for Business and Lync Remote Code Execution Vulnerability

CVE-2022-26911

Skype for Business Information Disclosure Vulnerability

CVE-2022-33633

Skype for Business and Lync Remote Code Execution Vulnerability