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Vulnerability record · CVE-2017-0129 · published 17 March 2017

CVE-2017-0129: Microsoft lync for mac improper certificate validation vulnerability

Microsoft · Lync For Mac

Microsoft Lync for Mac 2011 fails to properly validate certificates, allowing remote attackers to alter server-client communications, aka "Microsoft Lync for Mac Certificate Validation Vulnerability."

7.5 CVSS 3.0 High EPSS 7.9% · top 5.5% CWE-295 · Improper certificate validation
7.5CVSS 3.0 base score, v2 5.0
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Microsoft Lync for Mac 2011 fails to properly validate certificates, allowing remote attackers to alter server-client communications, aka "Microsoft Lync for Mac Certificate Validation Vulnerability."

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/96752 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038020
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0129 PatchVendor Advisory
http://www.securityfocus.com/bid/96752 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038020
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0129 PatchVendor Advisory

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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-2017-0129), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.