CVE-2026-83746
HIGHCVSS 8.1/10
Last modified
CVE-2026-83746 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network..
Description
Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Skype for Business Server 2015 CU13 | >= 9319.0, < 6.0.9319.886 |
| Microsoft | Skype for Business Server 2019 CU8 | >= 2046.0, < 7.0.2046.583 |
| Microsoft | Skype for Business Server Subscription Edition CU1 | >= 2046.0, < 7.0.2046.889 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-83746?
Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-83746?
CVE-2026-83746 has a CVSS score of 8.1/10 (HIGH severity).
How do I fix CVE-2026-83746?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-83746?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST