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7.0
Windows Shell Privilege Elevation Vulnerability
CVE-2026-26166
Summary
An attacker with authorized access to Windows Shell can potentially gain elevated privileges on a local machine. This means they could gain control over the system or access sensitive information. To protect your system, apply the latest Windows updates as soon as possible.
Original title
Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
Original description
Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
nvd CVSS3.1
7.0
Vulnerability type
CWE-415
Published: 14 Apr 2026 · Updated: 15 Apr 2026 · First seen: 14 Apr 2026