Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Published: 2026-02-10
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Spoofing via UI misrepresentation in Microsoft Exchange Server
Action: Apply patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 12 Feb 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft Exchange Server 2016 Cumulative Update 23
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 2016 Cumulative Update 23
Microsoft microsoft Exchange Server 2019 Cumulative Update 14
Microsoft microsoft Exchange Server 2019 Cumulative Update 15
Microsoft microsoft Exchange Server Subscription Edition Rtm

Wed, 11 Feb 2026 21:45:00 +0000

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

Wed, 11 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description User interface (ui) misrepresentation of critical information 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-1286
CWE-345
CWE-451
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': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Exchange Server Exchange Server 2016 Exchange Server 2019 Exchange Server Se Microsoft Exchange Server 2016 Cumulative Update 23 Microsoft Exchange Server 2019 Cumulative Update 14 Microsoft Exchange Server 2019 Cumulative Update 15 Microsoft Exchange Server Subscription Edition Rtm
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-11T21:25:31.614Z

Reserved: 2025-12-30T18:10:54.846Z

Link: CVE-2026-21527

cve-icon Vulnrichment

Updated: 2026-02-11T15:33:21.425Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-10T18:16:35.093

Modified: 2026-02-11T21:41:55.400

Link: CVE-2026-21527

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T17:45:10Z

Weaknesses