CVE-2026-48578

HighCVSS 7.9

Published: 09/06/2026(UTC)Updated: 09/07/2026(UTC)Translated: 10/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.27%

18th percentile - higher than 18% of all known CVEs

An improper access control vulnerability in Windows Secure Boot allows an authorized attacker to elevate privileges locally.

An attacker with local access could gain elevated privileges, potentially taking control of the system and bypassing Secure Boot protections.

Install the latest security updates from Microsoft for Windows Secure Boot and review security policy configurations.

Original NVD description (English source)

Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.