← Vulnerability feed

Vulnerability record · CVE-2014-4068 · published 10 September 2014

CVE-2014-4068: Microsoft lync server improper input validation vulnerability

Microsoft · Lync Server

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."

5.0 CVSS 2.0 Medium EPSS 20% · top 2.7% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

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."

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69586
http://www.securitytracker.com/id/1030821
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
https://exchange.xforce.ibmcloud.com/vulnerabilities/95544
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69586
http://www.securitytracker.com/id/1030821
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
https://exchange.xforce.ibmcloud.com/vulnerabilities/95544

Track CVE-2014-4068 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2013-1302Microsoft lync memory buffer overflow vulnerabilityMicrosoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote att…EPSS 22%7.2CVE-2022-33633Microsoft lync server vulnerabilitySkype for Business and Lync Remote Code Execution VulnerabilityEPSS 2.3%7.2CVE-2021-26422Microsoft lync server vulnerabilitySkype for Business and Lync Remote Code Execution VulnerabilityEPSS 2.2%6.5CVE-2022-26911Microsoft lync server vulnerabilitySkype for Business Information Disclosure VulnerabilityEPSS 3.6%6.5CVE-2021-26421Microsoft lync server vulnerabilitySkype for Business and Lync Spoofing VulnerabilityEPSS 1.4%6.5CVE-2021-24099Microsoft lync server vulnerabilitySkype for Business and Lync Denial of Service VulnerabilityEPSS 3.2%6.5CVE-2021-24073Microsoft lync server vulnerabilitySkype for Business and Lync Spoofing VulnerabilityEPSS 1.8%6.1CVE-2019-0798Microsoft lync server cross-site scripting vulnerabilityA spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype fo…EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2014-4068), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.