CVE-2026-47631

MediumCVSS 5.4/10Last modified Jul 28, 2026

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 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	>= 15.01.0.0, < 15.01.2507.071
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 14	>= 15.02.0.0, < 15.02.1544.043
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 15	>= 15.02.0.0, < 15.02.1748.048
Microsoft	Microsoft Exchange Server Subscription Edition RTM	>= 15.02.0.0, < 15.02.2562.045

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47631Vendor Advisory

Timeline

Published: Jun 9, 2026
Last modified: Jul 28, 2026
NVD status: Analyzed

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