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2 vulnerabilities found for Skype for Business Server Subscription Edition RTM by Microsoft
CVE-2026-85873 (GCVE-0-2026-85873)
Vulnerability from nvd – Published: 2026-10-13 19:01 – Updated: 2026-10-14 17:04
VLAI
EPSS
VEX
Title
Skype for Business Elevation of Privilege Vulnerability
Summary
Improper authorization in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:05 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Skype for Business Server 2015 CU13 |
Affected:
9319.0 , < 6.0.9319.886
(custom)
|
|
| Microsoft | Skype for Business Server 2019 CU8 |
Affected:
2046.0 , < 7.0.2046.583
(custom)
|
|
| Microsoft | Skype for Business Server Subscription Edition CU1 |
Affected:
2046.0 , < 7.0.2046.889
(custom)
|
|
| Microsoft | Skype for Business Server Subscription Edition RTM |
Affected:
1.0.0 , < 7.0.2046.889
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-85873 (GCVE-0-2026-85873)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-14 17:04
VLAI
EPSS
VEX
Title
Skype for Business Elevation of Privilege Vulnerability
Summary
Improper authorization in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:05 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Skype for Business Server 2015 CU13 |
Affected:
9319.0 , < 6.0.9319.886
(custom)
|
|
| Microsoft | Skype for Business Server 2019 CU8 |
Affected:
2046.0 , < 7.0.2046.583
(custom)
|
|
| Microsoft | Skype for Business Server Subscription Edition CU1 |
Affected:
2046.0 , < 7.0.2046.889
(custom)
|
|
| Microsoft | Skype for Business Server Subscription Edition RTM |
Affected:
1.0.0 , < 7.0.2046.889
(custom)
|
Date Public
2026-10-13 14:00
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