Microsoft SharePoint Server Elevation of Privilege Vulnerability
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Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.
Microsoft SharePoint Server Elevation of Privilege Vulnerability
June 14, 2023
October 28, 2025
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29357Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Metasploit module) (4 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Recreation of the SharePoint PoC for CVE-2023-29357 in C# from LuemmelSec
Open source ↗Microsoft SharePoint Server Elevation of Privilege Vulnerability
Open source ↗Sharepoint Dynamic Proxy Generator Unauth RCE
Open source ↗Microsoft SharePoint - Authentication Bypass
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-29357
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