CVE-2026-50490
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
A use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit this vulnerability to gain elevated privileges and execute arbitrary code in the installer context.
Recommendation
Apply security updates for Windows Installer available from Microsoft patches.
Other vulnerabilities in Windows Installer
See all- CVE-2026-96308High
Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96307High
Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96305High
Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96302High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-88124High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-88080High
Use after free vulnerability in Windows Installer. An authorized attacker can elevate privileges locally.
- CVE-2026-88076High
Null pointer dereference vulnerability in Windows Installer. An authorized attacker can elevate privileges locally.
- CVE-2026-87715High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-87711High
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-87708High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS