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Vulnerability record · CVE-2014-4071 · published 10 September 2014

CVE-2014-4071: Microsoft lync server vulnerability

Microsoft · Lync Server

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."

5.0 CVSS 2.0 Medium EPSS 19% · top 2.8%
5.0CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

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."

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/69592
http://www.securitytracker.com/id/1030821
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
https://exchange.xforce.ibmcloud.com/vulnerabilities/95547
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69592
http://www.securitytracker.com/id/1030821
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
https://exchange.xforce.ibmcloud.com/vulnerabilities/95547

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2014-4071), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.