CVE-2023-41763Added 10 Oct 2023
Microsoft Skype for Business Privilege Escalation Vulnerability
Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.
CISA entry
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AUTOMATICALLY VERIFIEDOFFICIAL VENDOR SOURCECOLLECTED 4 OCT 2026
Microsoft · AUTOMATIC DISCOVERY
Skype for Business 2016
Skype for Business is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.
This record passed BlackTree's automatic primary-source checks with a confidence score of 96. It is returned for operational research without requiring routine manual approval. Confirm edition and deployment applicability before acting.
Product overview
Skype for Business is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.
Main capabilities
- Networked or application service delivery
- Administrative and operational interfaces
- Versioned maintenance and security updates
Typical use
Used to provide application, infrastructure or operational services to other systems and users.
Deployment
Deployed on servers, virtual machines, containers or managed infrastructure.
This category-level context is generated from the registered product identity. Confirm exact product capabilities on the publisher's page .
Collected lifecycle data
| Product | Skype for Business |
|---|---|
| Release | 2016 |
| End of Fixed Lifecycle Policy | 14 October 2025 |
| Date precision | Day |
Known exploited vulnerabilities
Catalogue updated 5 Oct 2026These are product-family matches in the CISA Known Exploited Vulnerabilities catalogue. Confirm the affected product version in the vendor advisory.
Package vulnerability advisories
OSV advisories are matched through the registered package URL. A package-family match does not prove that the installed release is affected. Check the affected and fixed versions before remediation.
No package advisories have been linked for this product identity.
This is not evidence that the product has no vulnerabilities.
Source evidence
PRIMARYReady
Microsoft lifecycle discovery
{"display_products": ["Office"], "end": "2025-10-15T06:59:59.999Z", "last_modified": "2024-09-17T00:00:00Z", "locale": "en-us", "products": ["office"], "start": "2015-09-22T08:00:00Z", "summary": "Skype for Business 2016 follows the Fixed Lifecycle Policy.", "title": "Skype for Business 2016", "url": "/lifecycle/products/skype-for-business-2016"}
Official vendor lifecycle or product-change property. Extracted records require human review.
Open official vendor source