Critical Docker Sandbox Vulnerabilities Enable Malicious Guests to Escape Isolated microVM Workspaces

Docker patched two serious vulnerabilities in Docker Sandboxes that could let a malicious guest workload break out of its intended shared workspace and access sensitive host-side resources. The flaws, tracked as CVE-2026-77179 and CVE-2026-79994, were fixed in Docker Sandboxes version 0.42.0, released on September 7. Docker Sandboxes uses isolated...