CVE-2023-29357

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 99.98%
EPSS Percentile: 99.98%
CISA KEV: YES — Known Exploited Vulnerability

Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 14-Jun-2023 07:15
Last Modified: 17-Jun-2026 12:49
EPSS Date: 2026-10-20
CWE: CWE-303

CVSS Vector


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

CISA KEV Details

Date Added: 2024-01-10
Remediation Due: 2024-01-31
Known Ransomware Campaign Use: Known
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357

Affected Products / Versions

microsoft / sharepoint_server
Version / affected range: 2019
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

References

Last enrichment sync: 21-Oct-2026 15:46
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

4.2% CVE-2021-26858 4.2% CVE-2023-29357 CVE-2024-38094 CVE-2025-61884 Kaspersky 2026 Report Highlights Exploited Applications, Trusted Access and SOC Detection Gaps
in SharePoint (CVE-2023-29357) which was subsequently used by multiple ransomware actors to elevate privileges. IPS Symantec Report Tracks Rising Encryptionless Extortion and New Ransomware Actors

CVE (24)

Malware (24)

People (2)

Threat Actors (24)

MITRE ATT&CK (24)

Vendors (11)

Products (22)

Tools (17)

Industries (15)

Countries (9)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.