CVE-2026-47631

5.4 mediumEPSS 0.4%

Medium (5.4) in microsoft. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-06-09
Modified: 2026-07-28
Record from: the NVD, synced 2026-10-19

Affected

microsoft:exchange_server
microsoft:exchange_server_subscription_edition

References

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

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