CVE-2022-27666

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

May 8, 2026

Last Seen

May 8, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Linux Vulnerability 'Copy Fail' Grants Root Access Across Major Distros72.9

A newly disclosed vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named 'Copy Fail', allows unprivileged local users to gain root access on virtually all major Linux distributions released since 2017. The exploit, which is a 732-byte Python script, modifies the page cache of any rea...