Aug 2026: Microsoft SharePoint Server Spoofing Vulnerability
CVE-2026-62829 Published on August 11, 2026

Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Vendor Advisory NVD

Vulnerability Analysis

Exploitation:

NONE

Automatable:

Technical Impact:

PARTIAL

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-62829 has been classified to as a XSS vulnerability or weakness.

Products Associated with CVE-2026-62829

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Microsoft Sharepoint Server 2019

Microsoft Sharepoint Server

Affected Versions

Microsoft SharePoint Server 2019:

Version 16.0.0 and below 16.0.10417.20198 is affected.

Microsoft SharePoint Server Subscription Edition:

Version 16.0.0 and below 16.0.19725.20522 is affected.

Exploit Probability

EPSS

0.47%

Percentile

41.46%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.