External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.
History

Wed, 09 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.
Title Skype for Business Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft skype For Business Server 2015
Microsoft skype For Business Server 2019
Microsoft skype For Business Server Subscription Edition
Weaknesses CWE-73
CPEs cpe:2.3:a:microsoft:skype_for_business_server_2015:*:cu13:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype_for_business_server_2019:*:cu8:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype_for_business_server_subscription_edition:*:cu1:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft skype For Business Server 2015
Microsoft skype For Business Server 2019
Microsoft skype For Business Server Subscription Edition
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-09-08T18:30:35.349Z

Updated: 2026-09-09T21:27:31.012Z

Reserved: 2026-07-24T18:06:51.294Z

Link: CVE-2026-66302

cve-icon Vulnrichment

Updated: 2026-09-09T09:52:02.155Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-08T19:18:07.690

Modified: 2026-09-09T10:17:12.300

Link: CVE-2026-66302

cve-icon Redhat

No data.