Guest-to-Host-Escape — PoC Archivehttps://poc.intelseclab.com/tags/guest-to-host-escape/Latest proof-of-concept entries.Hugoen-usSun, 09 Aug 2026 00:00:00 +0000Zapscape — KVM/x86 Shadow-MMU Recursive-Zap Guest-to-Host Escape (CVE-2026-64561)https://poc.intelseclab.com/pocs/binary/2026-08-09_cve-2026-64561-zapscape-kvm-shadow-mmu-guest-to-host/Sun, 09 Aug 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-08-09_cve-2026-64561-zapscape-kvm-shadow-mmu-guest-to-host/High severity (CVSS 8.8) — binary · CVE-2026-64561. Status: Patched. Affects: Linux kernel, KVM/x86 shadow-MMU (nested EPT/NPT shadowing) — arch/x86/kvm/mmu/mmu.c and arch/x86/kvm/mmu/paging_tmpl.h. Tags: linux-kernel, kvm, x86, shadow-mmu, nested-virtualization, svm, npt, ept, guest-to-host-escape, vm-escape, use-after-free, CWE-416, cross-cache, kaslr-bypass, usermode-helper, virtualization.binaryHighlinux-kernelkvmx86shadow-mmunested-virtualizationsvmnpteptguest-to-host-escapevm-escapeuse-after-freeCWE-416cross-cachekaslr-bypassusermode-helpervirtualizationITScape — KVM/arm64 vGIC-ITS Guest-to-Host VM Escape (CVE-2026-46316)https://poc.intelseclab.com/pocs/binary/2026-07-27_cve-2026-46316-itscape-kvm-arm64-vgic-its-escape/Mon, 27 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-07-27_cve-2026-46316-itscape-kvm-arm64-vgic-its-escape/Critical severity (CVSS 9.3) — binary · CVE-2026-46316 (GHSA-qcxh-2cm7-9fcc). Status: Weaponized. Affects: Linux kernel, KVM/arm64 in-kernel vGIC-ITS (Interrupt Translation Service) emulation (arch/arm64/kvm/vgic/vgic-its.c). Tags: linux-kernel, kvm, arm64, vgic-its, guest-to-host-escape, vm-escape, double-free, use-after-free, kaslr-bypass, heap-grooming, virtualization.binaryCriticallinux-kernelkvmarm64vgic-itsguest-to-host-escapevm-escapedouble-freeuse-after-freekaslr-bypassheap-groomingvirtualizationQEMUtiny - QEMU CXL Type-3 Memory Corruption Chainhttps://poc.intelseclab.com/pocs/binary/2026-05-16_qemutiny-memory-corruption/Sat, 16 May 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-05-16_qemutiny-memory-corruption/Critical severity — binary. Status: Weaponized. Affects: QEMU CXL Type-3 device emulation (hw/cxl/cxl-mailbox-utils.c). Tags: QEMU, CXL, memory-corruption, OOB-read, OOB-write, guest-to-host-escape, local, root-in-guest.binaryCriticalQEMUCXLmemory-corruptionOOB-readOOB-writeguest-to-host-escapelocalroot-in-guest