Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Published: 2026-03-10
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Spoofing / Impersonation
Action: Patch Now
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 Mar 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows App
CPEs cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:windows:*:*
Vendors & Products Microsoft windows App

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

Type Values Removed Values Added
Metrics ssvc

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


Tue, 10 Mar 2026 17:30:00 +0000

Type Values Removed Values Added
Description Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Title Windows App Installer Spoofing Vulnerability
First Time appeared Microsoft
Microsoft windows App Client For Windows Desktop
Weaknesses CWE-345
CPEs cpe:2.3:a:microsoft:windows_app_client_for_windows_desktop:*:*:*:*:*:windows:*:*
Vendors & Products Microsoft
Microsoft windows App Client For Windows Desktop
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows App Windows App Client For Windows Desktop
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-04-14T16:36:09.796Z

Reserved: 2026-01-14T16:59:33.462Z

Link: CVE-2026-23656

cve-icon Vulnrichment

Updated: 2026-03-11T14:52:53.052Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-10T18:18:13.900

Modified: 2026-03-12T19:15:00.713

Link: CVE-2026-23656

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-20T14:34:21Z

Weaknesses