CVE-2026-87705 Windows Hyper-V Security Feature Bypass Vulnerability Improper verification of source of a communication channel in Windows Hyper-V allows an unauthorized attacker to bypass a security feature over an adjacent network. EPSS < 0.01 CVE-2026-87705 US tg: zranitelnost 13. 10. 2026 · zachyceno 22:02 · Microsoft Security · CVE-2026-87705 Windows Hyper-V Security Feature Bypass Vulnerability