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-2023-29357

CVE-2023-29357CRITICAL

Microsoft SharePoint 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   .9998   100.0   YES

AFFECTED
  Product                           Versions  Fixed
  Microsoft SharePoint Server 2019  16.0.0 –  —

TIMELINE
  Apr 4   Reserved by microsoft
  Jun 13  Published (CNA: microsoft)
  Jan 10  Added to CISA KEV, remediation due 2024-01-31

CWE-303 · CNA: microsoft · CVSS v3.1 · 2 references · KEV due January 31, 2024

Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 4, 2023	Reserved	Reserved by microsoft
June 13, 2023	Published	Published (CNA: microsoft)
January 10, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-01-31

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Microsoft SharePoint Server 2019	—	16.0.0	—

Weaknesses

CWE-303

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357 [vendor-advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29357 [government-resource]

Authoritative record: CVE-2023-29357 at cve.org

Vendors: microsoft

Weaknesses: CWE-303

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-29357 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.