Description of Security Update 3 for Microsoft Skype for Business Server 2019 CU8: September 8, 2026 (KB5123300)
| Reporter | Title | Published | Views | Family All 101 |
|---|---|---|---|---|
 | Skype for Business Server Code Execution | 11 Sep 202600:00 | – | bdu_fstec |
| Skype for Business Instant Messaging Spoofing | 18 Sep 202600:00 | – | bdu_fstec |
| Skype for Business Instant Messaging DoS | 18 Sep 202600:00 | – | bdu_fstec |
| Skype for Business Server Disclosure | 18 Sep 202600:00 | – | bdu_fstec |
| Skype for Business Instant Messaging Spoofing | 21 Sep 202600:00 | – | bdu_fstec |
 | CVE-2026-63523 | 8 Sep 202622:03 | – | circl |
| CVE-2026-66302 | 8 Sep 202620:14 | – | circl |
| CVE-2026-66303 | 8 Sep 202622:04 | – | circl |
| CVE-2026-66304 | 8 Sep 202622:03 | – | circl |
| CVE-2026-66305 | 8 Sep 202622:03 | – | circl |
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08 Sep 2026 14:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.16.1 - 9.8
EPSS0.01174
SSVC