CVE-2026-23656

CWE-3454 documents4 sources
Severity
5.9MEDIUM
EPSS
0.0%
top 92.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Microsoft Windows APP Client FOR Windows DesktopMicrosoft Windows APP
Timeline
PublishedMar 10

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages2 packages

▶NVDmicrosoft/windows_app< 2.0.964.0

🔴Vulnerability Details

2
CVEList
Windows App Installer Spoofing Vulnerability↗2026-03-10
▶
GHSA
GHSA-53j2-qxv2-hfqj: Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network↗2026-03-10
▶

📋Vendor Advisories

1
Microsoft
Windows App Installer Spoofing Vulnerability↗2026-03-10
▶
CVE-2026-23656 (MEDIUM CVSS 5.9) | Insufficient verification of data a | cvebase.io