CVE-2026-23656

5.9 mediumEPSS 0.3%

Medium (5.9) in microsoft windows app. EPSS 0.3% chance of exploitation in the next 30 days.

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

Severity

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-345
Published: 2026-03-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19