1. Home
  2. CVE Database
  3. CVE-2026-26114
HIGH · 8.8

CVE-2026-26114

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

Vulnerability Description

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

CVSS 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
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftSharepoint Server2016

Related Weaknesses (CWE)

CWE-502

References

FAQ

What is CVE-2026-26114?

CVE-2026-26114 is a vulnerability with a CVSS score of 8.8 (HIGH). Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

How severe is CVE-2026-26114?

CVE-2026-26114 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26114?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Sharepoint Server.