CVE-2026-47631
Analyzed Analyzed - Analysis Complete

Cross-Site Scripting in Microsoft Exchange Server

Vulnerability report for CVE-2026-47631, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-09

Last updated on: 2026-06-15

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-09
Last Modified
2026-06-15
Generated
2026-06-30
AI Q&A
2026-06-09
EPSS Evaluated
2026-06-28
NVD
EUVD

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server_subscription_edition to 15.02.2562.043 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product 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.

Attack-Flow Graph

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Executive Summary

This vulnerability is a cross-site scripting (XSS) issue in Microsoft Exchange Server caused by improper neutralization of input during web page generation.

It allows an unauthorized attacker to perform spoofing over a network by injecting malicious scripts into web pages generated by the server.

Impact Analysis

The vulnerability can lead to spoofing attacks, where an attacker can impersonate legitimate users or services over a network.

This can result in unauthorized access to sensitive information or manipulation of communications, potentially compromising confidentiality and integrity.

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EPSS Chart