TI-2017-06083 Aliases CVE-2017-8550 GHSA-5r97-fxfw-c4wj

Cross-site scripting in Microsoft Skype for Business

MEDIUM 44CWE-79Published 2017-06-15 · Updated 2024-08-05

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A remote code execution vulnerability exists in Skype for Business when the software fails to sanitize specially crafted content, aka "Skype for Business Remote Code Execution Vulnerability".

Why it matters now

EPSS 0.22433 97th 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	Skype for Business	Microsoft Office 2016 Click-to-Run (C2R)	—	No fix listed	CNA

Skype for Business VendorMicrosoft Affected Microsoft Office 2016 Click-to-Run (C2R) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:office:2016::::click-to-run:::	2016	Vulnerable	Microsoft

cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:* Versions 2016 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-8550
2026-10-03 Alias added: GHSA-5r97-fxfw-c4wj

References

Exploit 1

42316

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8550

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TI-2015-02130 Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2… KEVCVSS 3.1HIGH 8.8
TI-2015-01588 Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary… KEVCVSS 3.1HIGH 8.8

See all 1024 →

Sources

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