CVE-2026-87711
HighCVSS 7.8Summary
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
Risk Assessment
Risk of privilege escalation during software installation, potentially leading to full system compromise.
Recommendation
Install security updates for Windows Installer and restrict installation privileges.
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-2026-87708High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-87704High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

