Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-24955

CVE-2023-24955HIGH

Microsoft SharePoint Server Remote Code Execution Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   H   N  U  H  H  H    7.2   .8497   99.7   YES

AFFECTED
  Product                                           Versions  Fixed
  Microsoft SharePoint Enterprise Server 2016       16.0.0 –  —
  Microsoft SharePoint Server 2019                  16.0.0 –  —
  Microsoft SharePoint Server Subscription Edition  16.0.0 –  —

TIMELINE
  Jan 31  Reserved by microsoft
  May 9   Published (CNA: microsoft)
  Mar 26  Added to CISA KEV, remediation due 2024-04-16

CWE-94 · CNA: microsoft · CVSS v3.1 · 2 references · KEV due April 16, 2024

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 31, 2023	Reserved	Reserved by microsoft
May 9, 2023	Published	Published (CNA: microsoft)
March 26, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-04-16

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Microsoft SharePoint Enterprise Server 2016	—	16.0.0	—
Microsoft	Microsoft SharePoint Server 2019	—	16.0.0	—
Microsoft	Microsoft SharePoint Server Subscription Edition	—	16.0.0	—

Weaknesses

CWE-94

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 [vendor-advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955 [government-resource]

Authoritative record: CVE-2023-24955 at cve.org

Vendors: microsoft

Weaknesses: CWE-94

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-24955 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, October 7, 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.