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CISA Known Exploited Vulnerabilities

Microsoft SharePoint Server Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2024-01-10
Remediation due
2024-01-31
Ransomware
Known use

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357

Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Exploitation Context

as of October 15, 2026
All KEV statistics→
  • CISA added CVE-2023-29357 to the KEV catalog 211 days after its CVE record was published. The median for entries added in 2024 is 21.5 days.
  • It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 36 added in 2024.
  • Its current EPSS score (100.0%) is higher than that of 96% of CISA KEV entries.

Affected Products

ProductAffected versions
Microsoft
Microsoft SharePoint Server 2019
16.0.0 to <16.0.10399.20005

References

1 Links

Record Details

Published
2023-06-13
Last updated
2025-10-21
Assigner (CNA)
microsoft
Credited to
-

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Related

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.