CVE-2026-20963
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
Risk Information
Base Score
9.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
6.0
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Microsoft Office Click-To-Run Elevation of Privilege Vulnerability for Microsoft SharePoint Enterprise Server 2016 (KB5002828) farm-deployment | Windows |
| Microsoft Office Click-To-Run Elevation of Privilege Vulnerability for Microsoft SharePoint Server 2019 Core (KB5002825) farm-deployment | Windows |
| Microsoft Office Click-To-Run Elevation of Privilege Vulnerability for Microsoft SharePoint Server Subscription Edition (KB5002822) farm-deployment | Windows |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-43266 | Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002828) farm-deployment |
| PATCH-43265 | Security Update for Microsoft SharePoint Server 2019 Core (KB5002825) farm-deployment |
| PATCH-43264 | Security Update for Microsoft SharePoint Server Subscription Edition (KB5002822) farm-deployment |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234