CVE-2026-33110

HIGH

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

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 5/12/2026Modified: 5/13/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-33110 — Deserialization of untrusted data in Microsoft Office SharePoint allows an autho...

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

CVE-2026-33110
NIST NVD

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33110Vendor Advisory