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CVE tracker

Linux Kernel Elevation of Privilege Vulnerability

CVE-2026-62840High 7.0

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Research and translation in progress – available shortly.

Information from Microsoft (Patch Tuesday October 2026)

Severity (Microsoft)
Critical
Impact
Elevation of privilege – Linux Kernel
Status on Patch Tuesday
Neither exploited nor publicly disclosed
Exploitability assessment
Exploitation less likely
Product family
Other

Entry in the Microsoft Security Update Guide

Public exploits

PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.

Original description (NVD)

Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

NVD references (1)

Sources

The tracker combines official, freely usable data sources – updated continuously:

This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

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