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Vulnerability record · CVE-2018-8474 · published 13 September 2018

CVE-2018-8474: Microsoft lync for mac improper input validation vulnerability

Microsoft · Lync For Mac

A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka "Lync for Mac 2011 Security Feature Bypass Vulnerability." This affects Microsoft Lync.

7.5 CVSS 3.0 High EPSS 38% · top 1.5% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A security feature bypass vulnerability exists when Lync for Mac 2011 fails to properly sanitize specially crafted messages, aka "Lync for Mac 2011 Security Feature Bypass Vulnerability." This affects Microsoft Lync.

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/105268 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041633 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474 Vendor Advisory
https://www.exploit-db.com/exploits/45936/ ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/105268 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041633 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474 Vendor Advisory
https://www.exploit-db.com/exploits/45936/ ExploitThird Party AdvisoryVDB Entry

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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-2018-8474), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.