CVE-2026-23656

MEDIUM
2026-03-10 [email protected]
5.9
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
MEDIUM 5.9

Tags

Windows Windows App Microsoft

Description

Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.

Analysis

Windows App Installer fails to adequately authenticate package data, enabling network-based attackers to conduct spoofing attacks without user interaction. This vulnerability affects Windows and Windows App installations, potentially allowing threat actors to deceive users into installing malicious or tampered applications. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: 0

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CVE-2026-23656 vulnerability details – vuln.today
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