EXPOSURES › CVE-2026-56164
CVE-2026-56164
HIGH ⌖ ON CISA KEV · EXPLOITED
DETAIL
⚡ RCE
⌖ EXPLOITED IN THE WILD
SHAME 72/100
exploited-in-wildunpatchedrce
Unpatched RCE in SharePoint Server
An unpatched remote code execution vulnerability in Microsoft SharePoint Server allowed an unauthorized attacker to elevate privileges over a network, as actively exploited by cyber actors.
Shame score — Active exploitation leading to unauthorized access and privilege escalation.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
PLAYERS IMPLICATED
DESCRIPTION
Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.
AFFECTED FEDRAMP PRODUCTS · 4
| PRODUCT | STATUS |
|---|---|
| Azure Commercial Cloud Microsoft |
Authorized |
| Azure Government (includes Dynamics 365) Microsoft |
Authorized |
| Microsoft Office 365 GCC High Microsoft |
In Process |
| Office 365 Multi-Tenant & Supporting Services Microsoft |
Authorized |