Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Microsoft Exchange Server Elevation of Privilege Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .1266 95.9 YES
AFFECTED
Product Versions Fixed
Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 – —
Microsoft Exchange Server 2019 Cumulative Update 13 15.02.0 – —
Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0 – —
TIMELINE
Dec 8 Reserved by microsoft
Feb 15 Added to CISA KEV, remediation due 2024-03-07
Feb 15 Published (CNA: microsoft)
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| December 8, 2023 | Reserved | Reserved by microsoft |
| February 15, 2024 | KEV ADDED | Added to CISA KEV, remediation due 2024-03-07 |
| February 15, 2024 | Published | Published (CNA: microsoft) |
Affected
Affected products and packages — 3 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | — | 15.01.0 | — |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 13 | — | 15.02.0 | — |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | — | 15.02.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-21410 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 Wednesday, August 19, 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.