TI-2018-06154 Aliases CVE-2018-8474 GHSA-f9xx-wcf7-jwv3

Improper input validation in Microsoft Lync

MEDIUM 60CWE-20Published 2018-09-13 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.38177 98th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Microsoft Lync	Mac 2011	—	No fix listed	CNA

Microsoft Lync VendorMicrosoft Affected Mac 2011 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:lync_for_mac:2011:::::::*	2011	Vulnerable	Microsoft

cpe:2.3:a:microsoft:lync_for_mac:2011:*:*:*:*:*:*:* Versions 2011 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-8474
2026-10-03 Alias added: GHSA-f9xx-wcf7-jwv3

References

Exploit 1

45936

Advisory 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8474

TI-2017-00122 Improper certificate validation in Microsoft Lync for Mac CVSS 3.0HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences