CVE-2026-42980

HighCVSS 7.8

Published: 09/06/2026(UTC)Updated: 11/06/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.11%

29th percentile - higher than 29% of all known CVEs

An integer underflow in the Windows NT OS Kernel allows an authorized attacker to locally elevate privileges.

An attacker with local access could exploit this vulnerability to gain higher privileges, potentially leading to serious security breaches.

It is recommended to update the operating system to the latest version to patch this vulnerability and to monitor system access.

Original NVD description (English source)

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.