Microsoft Patches 137 Vulnerabilities, Critical Hyper-V Escape Exploited (hivepro.com)

• 137 vulnerabilities fixed in May 2026 Patch Tuesday
• CVE-2026-40402 is a critical Hyper-V guest-to-host escape
• Risks to multi-tenant and private cloud infrastructures

"Microsoft's May 2026 Patch Tuesday fixes 137 security holes, including CVE-2026-40402, a critical Hyper-V vulnerability that allows a guest-to-host escape. This poses significant risks to multi-tenant cloud and private cloud infrastructures, potentially compromising isolation."