cve 2026 56196

CVE-2026-56196 is the tag for coverage of a high-severity Windows Admin Center security vulnerability fixed in build 2.7.4. The reported flaw is a relative path traversal issue that can lead to remote code execution, with a CVSS score of 8.8. It affects Windows Admin Center releases from 1809.0 through versions earlier than 2.7.4, and exploitation requires authentication. This archive is relevant to administrators responsible for Windows servers, clusters, Hyper-V hosts, and managed PCs, particularly those reviewing Microsoft security advisories and prioritizing updates to management infrastructure. Use this page to follow related guidance on the affected releases and the move to the fixed build.