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CVE-2026-53359

exploited in the wild☆ pin

CVSS

—

Reports

4

First seen

Jul 6, 2026

Last seen

Jul 13, 2026

Affected product

Linux KVM (all versions from 2.6.36 to 6.11.x on x86)

Associated actors

Cavern Manticore ×1 JadePuffer ×1 Qilin ×1 ShinyHunters ×1 The Gentlemen ×1 UAT-7810 ×1

Recent reports

Check Point Threat Intelligence Report – 13 July 2026

Check Point ResearchJul 13, 2026 Critical

Januscape Linux kernel flaw enables VM escape on Intel and AMD processors

Bleeping ComputerJul 7, 2026 Critical

Januscape: Linux KVM Guest-to-Host Escape Vulnerability (CVE-2026-53359)

GovCERT.HKJul 7, 2026 Critical

Linux KVM Use-After-Free Bug (Januscape) Allows Guest-to-Host Escape on Intel/AMD

The Hacker NewsJul 6, 2026

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