What’s Vulnerable › Vulnerabilities

CVE-2024-38177: Windows App Installer Spoofing Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-13 · updated 2026-06-17
• Weakness: CWE-116

Description

Windows App Installer Spoofing Vulnerability

Affected products

• Microsoft App Installer: before 1.22.11261.0 — fixed in 1.22.11261.0
• Microsoft App Installer: from 1.0.0.0 before 1.22.11261.0 — fixed in 1.22.11261.0

How to fix

Upgrade to a fixed version: Microsoft App Installer 1.22.11261.0; Microsoft App Installer 1.22.11261.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38177

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