CVE-2026-47631

Microsoft Exchange Server Spoofing Vulnerability

Published Jun 9, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft exchange Server Subscription Edition
CPEs cpe:2.3:a:microsoft:exchange_server:*:*:*:*:subscription:*:*:* cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:*
Vendors & Products Microsoft exchange Server Subscription Edition
Type Values Removed Values Added
First Time appeared Microsoft exchange Server
CPEs cpe:2.3:a:microsoft:exchange_server:*:*:*:*:subscription:*:*:*
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:*:*:*:*:*:*
Vendors & Products Microsoft exchange Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microsoft microsoft Exchange Server 2019 Cumulative Update 14
Microsoft microsoft Exchange Server 2019 Cumulative Update 15
Microsoft microsoft Exchange Server Subscription Edition Rtm
Vendors & Products Microsoft microsoft Exchange Server 2019 Cumulative Update 14
Microsoft microsoft Exchange Server 2019 Cumulative Update 15
Microsoft microsoft Exchange Server Subscription Edition Rtm
Type Values Removed Values Added
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.
Title Microsoft Exchange Server Spoofing Vulnerability
First Time appeared Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
Weaknesses CWE-79
CPEs 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:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server_se:*:RTM:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}