Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-47631 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47631	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
microsoft exchange server	2016 cumulative_update_23 2019 cumulative_update_14 2019 cumulative_update_15
CPE cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:::::: cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:::::: Remediation No remediation found in references.
microsoft exchange server subscription edition	< 15.02.2562.043
CPE cpe:2.3:a:microsoft:exchange_server_subscription_edition:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jul 28, 2026	CVE Modified	[email protected]
Jul 23, 2026	CVE Translated	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 15, 2026	Reanalysis	[email protected]
Jun 15, 2026	Initial Analysis	[email protected]
Jun 9, 2026	New CVE Received	[email protected]