Guest-to-Host — PoC Archivehttps://poc.intelseclab.com/tags/guest-to-host/Latest proof-of-concept entries.Hugoen-usSun, 05 Jul 2026 00:00:00 +0000VirtualBox DevVGA_VBVA Integer Overflow leading to Guest-Triggerable DoS (CVE-2026-35250)https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-35250-virtualbox-vbva-integer-overflow/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-35250-virtualbox-vbva-integer-overflow/Low severity (CVSS 2.3) — binary · CVE-2026-35250. Status: PoC. Affects: Oracle VirtualBox — DevVGA_VBVA.cpp. Tags: virtualbox, integer-overflow, dos, vbva, guest-to-host, cwe-190, ai-assisted-research.binaryLowvirtualboxinteger-overflowdosvbvaguest-to-hostcwe-190ai-assisted-researchQEMU CXL Type-3 Mailbox Guest-to-Host Escapehttps://poc.intelseclab.com/pocs/binary/2026-07-03_qemu-cxl-type3-mailbox-escape/Fri, 03 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-07-03_qemu-cxl-type3-mailbox-escape/Critical severity — binary · None assigned as of 2026-07-03. Status: Weaponized. Affects: QEMU (CXL Type-3 device emulation, hw/cxl/cxl-mailbox-utils.c). Tags: qemu, cxl, virtualization, vm-escape, memory-corruption, mailbox, guest-to-host, pointer-leak.binaryCriticalqemucxlvirtualizationvm-escapememory-corruptionmailboxguest-to-hostpointer-leak