CVE-2023-29357

9.8 criticalKEVEPSS 100%

Critical (9.8) in Microsoft SharePoint Server. In CISA KEV since 2024-01-10, with known ransomware use. EPSS 100% chance of exploitation in the next 30 days.

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 100% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2024-01-10, due 2024-01-31, known ransomware use
CWE: CWE-303
Published: 2023-06-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:sharepoint_server

References

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

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