CVE-2026-26114

HIGH

Microsoft Office SharePoint - Deserialization

Title source: llm
STIX 2.1

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

References (1)

Scores

CVSS v3 8.8
EPSS 0.0090
EPSS Percentile 75.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (4)
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5543.1000
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20102
microsoft/sharepoint_server 2016
microsoft/sharepoint_server 2019
Published Mar 10, 2026
Tracked Since Mar 11, 2026