SF
Product
Skype For Business Server
by Microsoft · last CVE Sep 8, 2026
On CISA KEVExploited in the wild
24
CVEs
1
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 1High 8Medium 13Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-41763
In wildKEV
5.3
91%
Oct 10
Skype for Business Elevation of Privilege Vulnerability
Affected: 2015; 2019
CVE-2026-66303
6.5
1%
Sep 8
Skype for Business and Lync Denial of Service Vulnerability
Affected: 2015; 2015; 2019; 2019; 2019
CVE-2026-66308
6.5
1%
Sep 8
Skype for Business and Lync Denial of Service Vulnerability
Affected: 2015; 2015; 2019; 2019; 2019
CVE-2026-66306
6.5
1%
Sep 8
Skype for Business Information Disclosure Vulnerability
Affected: 2015; 2015; 2019; 2019; 2019
CVE-2022-26911
6.5
4%
Apr 15
Skype for Business Information Disclosure Vulnerability
Affected: 2015; 2019
CVE-2021-26421
6.5
1%
May 11
Skype for Business and Lync Spoofing Vulnerability
Affected: 2015
CVE-2021-24099
6.5
3%
Feb 25
Skype for Business and Lync Denial of Service Vulnerability
Affected: 2015; 2019
CVE-2021-24073
6.5
2%
Feb 25
Skype for Business and Lync Spoofing Vulnerability
Affected: 2015
CVE-2026-69642
6.1
0%
Sep 8
Skype for Business Spoofing Vulnerability
Affected: 2015; 2015; 2019; 2019; 2019
CVE-2026-63523
6.1
1%
Sep 8
Skype for Business Spoofing Vulnerability
Affected: 2015; 2015; 2019; 2019; 2019
CVE-2019-0798
6.1
2%
Apr 9
A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing…
Affected: 2015
CVE-2024-20695
5.7
1%
Feb 13
Skype for Business Information Disclosure Vulnerability
Affected: 2019
CVE-2022-26910
5.3
2%
Apr 15
Skype for Business and Lync Spoofing Vulnerability
Affected: 2015; 2019
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