Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2023-41763
Microsoft Skype for Business Server 2015 CU13 — Skype for Business Elevation of Privilege Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U L N N 5.3 .9035 99.8 YES
AFFECTED
Product Versions Fixed
Skype for Business Server 2015 CU13 9319.0 – —
Skype for Business Server 2019 CU7 2046.0 – —
TIMELINE
Aug 31 Reserved by microsoft
Oct 10 Added to CISA KEV, remediation due 2023-10-31
Oct 10 Published (CNA: microsoft)
Description
Skype for Business Elevation of Privilege Vulnerability
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 31, 2023 | Reserved | Reserved by microsoft |
| October 10, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-10-31 |
| October 10, 2023 | Published | Published (CNA: microsoft) |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Microsoft | Skype for Business Server 2015 CU13 | — | 9319.0 | — |
| Microsoft | Skype for Business Server 2019 CU7 | — | 2046.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-41763 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.