8.1
High
CVE-2026-83746 Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges…
Description
Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Skype for Business Server 2015 CU13 6.0 | earliest → < 6.0.9319.886 | 6.0.9319.886 |
| Skype for Business Server 2019 CU8 7.0 | earliest → < 7.0.2046.583 | 7.0.2046.583 |
| Skype for Business Server Subscription Edition CU1 7.0 | earliest → < 7.0.2046.889 | 7.0.2046.889 |
References
- Skype for Business Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of Skype for Business Server 2015 CU13
The 17 CVEs of Skype for Business Server 2015 CU13 →
CVE-2026-70297
Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to execute code over a…
8.8
High
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6.5
Medium
CVE-2026-66307
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7.5
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CVE-2026-66303
Null pointer dereference in Skype for Business allows an authorized attacker to deny service over a network
6.5
Medium