CVE-2023-29357

Microsoft SharePoint Server 2019

Published 14 Jun 2023 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, microsoft.com

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 10 Jan 2024, with a remediation deadline of 31 Jan 2024 for US federal agencies. It has been used in ransomware campaigns.

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

Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29357 · US Government Resource