9.8
Critical
CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns
Known to be used
Weakness
CWE-303
Description
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft SharePoint Server 2019 16.0 | 16.0.0 → < 16.0.10399.20005 | 16.0.10399.20005 |
Other CVEs of Microsoft SharePoint Server 2019
The 355 CVEs of Microsoft SharePoint Server 2019 →
CVE-2026-97783
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint…
8.1
High
CVE-2026-69943
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows…
8.8
High
CVE-2026-62917
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a…
4.6
Medium
CVE-2026-58639
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over…
6.5
Medium