CVE-2026-102863

Analyzed Analyzed - Analysis Complete

Code Injection in Microsoft Office SharePoint

Publication date: 2026-10-13

Last updated on: 2026-10-14

Assigner: Microsoft Corporation

Description

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-102863

EUVD

EUVD-2026-99046

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	sharepoint_server	to 16.0.20326.20190 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-94	The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

Executive Summary

This is a code injection vulnerability in Microsoft Office SharePoint where an authorized attacker can exploit improper code generation controls to elevate their privileges over a network.

Impact Analysis

An attacker could gain higher privileges than intended, potentially allowing unauthorized access to sensitive data or system functions in SharePoint.

Compliance Impact

This vulnerability allows unauthorized privilege escalation in Microsoft Office SharePoint, which could lead to unauthorized access to sensitive data. Such access may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy) by exposing personal or protected health information.

Mitigation Strategies

Apply the latest security updates from Microsoft for SharePoint Server to address the code injection vulnerability. Monitor Microsoft's security advisories for patches and follow their recommended mitigation steps.

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