Sep 2026: Skype for Business Information Disclosure Vulnerability
CVE-2026-66306 Published on September 8, 2026
Skype for Business Information Disclosure Vulnerability
Generation of error message containing sensitive information in Skype for Business allows an unauthorized attacker to disclose information over a network.
Weakness Type
Generation of Error Message Containing Sensitive Information
The software generates an error message that includes sensitive information about its environment, users, or associated data.
Products Associated with CVE-2026-66306
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Affected Versions
Microsoft Skype for Business Server 2015 CU13:- Version 9319.0 and below 6.0.9319.885 is affected.
- Version 2046.0 and below 7.0.2046.569 is affected.
- Version 2046.0 and below 7.0.2046.879 is affected.