PT-2026-58260 · Microsoft · Sharepoint Server
CVE-2026-56164
·
Published
2026-07-14
·
Updated
2026-09-12
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Microsoft SharePoint Server (affected versions not specified)
Microsoft SharePoint Server Subscription Edition (affected versions not specified)
Microsoft SharePoint Enterprise Server (affected versions not specified)
Description
Missing authentication for a critical function allows an unauthenticated remote attacker to elevate privileges over a network without requiring user interaction. Real-world exploitation of this issue has been recorded.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
LPE
RCE
Missing Authentication
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Weakness Enumeration
Related Identifiers
Affected Products
Sharepoint Server