Windows CVE-2026-23656
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
2DescriptionNVD
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
AnalysisAI
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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RemediationAI
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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