Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-29357

98
FAUCET Score

CVE-2023-29357 is a critical Elevation of Privilege vulnerability affecting Microsoft SharePoint Server, allowing unauthenticated attackers to bypass authentication and gain administrative privileges. With a CVSS score of 9.8, it is easily exploitable over the network without user interaction, leading to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited, including in known ransomware campaigns, with public exploit code available in Metasploit and Nuclei templates, and has garnered significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2019CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.65%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jan 10, 2024
Metasploit: Sharepoint Dynamic Proxy Generator Unauth RCE · May 1, 2023
Nuclei: CVE-2023-29357 · Sep 29, 2023
This CVE's current EPSS score of 0.9965 is in the 100th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Server 2019Fixed in: 16.0.10399.20005
View patch

Vendor Advisories (1)

microsoft2023-Jun/CVE-2023-29357Critical

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Jun 13, 2023

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
msrc.microsoft.com / update-guide/vulnerability/CVE-2023-29357
PatchVendor Advisory