Microsoft Skype Business Server Subscription Edition
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By the Year
In 2026 there have been 10 vulnerabilities in Microsoft Skype Business Server Subscription Edition with an average score of 7.3 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 10 | 7.27 |
It may take a day or so for new Skype Business Server Subscription Edition vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Skype Business Server Subscription Edition Security Vulnerabilities
Sep 2026: Skype for Business and Lync Denial of Service Vulnerability
CVE-2026-66303
6.5 - Medium
- September 08, 2026
Null pointer dereference in Skype for Business allows an authorized attacker to deny service over a network.
NULL Pointer Dereference
Sep 2026: Skype for Business and Lync Denial of Service Vulnerability
CVE-2026-66307
7.5 - High
- September 08, 2026
Integer underflow (wrap or wraparound) in Skype for Business allows an unauthorized attacker to deny service over a network.
Integer underflow
Sep 2026: Skype for Business Spoofing Vulnerability
CVE-2026-69642
6.5 - Medium
- September 08, 2026
Improper neutralization of input during web page generation ('cross-site scripting') in Skype for Business allows an unauthorized attacker to perform spoofing over a network.
XSS
Sep 2026: Skype for Business Spoofing Vulnerability
CVE-2026-69646
8.3 - High
- September 08, 2026
Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network.
Improper Verification of Cryptographic Signature
Sep 2026: Skype for Business Spoofing Vulnerability
CVE-2026-63523
6.5 - Medium
- September 08, 2026
Improper neutralization of input during web page generation ('cross-site scripting') in Skype for Business allows an unauthorized attacker to perform spoofing over a network.
XSS
Sep 2026: Skype for Business Spoofing Vulnerability
CVE-2026-66305
7.1 - High
- September 08, 2026
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.
Use of Client-Side Authentication
Sep 2026: Skype for Business and Lync Denial of Service Vulnerability
CVE-2026-66308
6.5 - Medium
- September 08, 2026
Out-of-bounds read in Skype for Business allows an authorized attacker to deny service over a network.
Out-of-bounds Read
Sep 2026: Skype for Business Information Disclosure Vulnerability
CVE-2026-66306
6.5 - Medium
- September 08, 2026
Generation of error message containing sensitive information in Skype for Business allows an unauthorized attacker to disclose information over a network.
Generation of Error Message Containing Sensitive Information
Sep 2026: Skype for Business Remote Code Execution Vulnerability
CVE-2026-66302
9.8 - Critical
- September 08, 2026
External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.
External Control of File Name or Path
Sep 2026: Skype for Business Information Disclosure Vulnerability
CVE-2026-66304
7.5 - High
- September 08, 2026
Server-side request forgery (ssrf) in Skype for Business allows an unauthorized attacker to disclose information over a network.
SSRF
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