{"id":"CVE-2026-26117","aliases":["EUVD-2026-10687","GHSA-76jf-fgc3-37rx"],"status":"published","title":"Arc Enabled Servers - Azure Connected Machine Agent Elevation of Privilege Vulnerability","description":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00482,"percentile":0.42047,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288"],"published":"2026-03-10T17:05:20Z","modified":"2026-06-19T18:18:08Z","products":[{"vendor":"microsoft","product":"arc enabled servers - azure connected machine agent"},{"vendor":"microsoft","product":"arc_enabled_servers_azure_connected_machine_agent"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26117"},{"url":"https://github.com/advisories/GHSA-76jf-fgc3-37rx"}],"sources":{"cve":[{"id":"CVE-2026-26117","title":"Arc Enabled Servers - Azure Connected Machine Agent Elevation of Privilege Vulnerability","description":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:05:20.543Z","modified":"2026-06-19T18:18:08.149Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-10687","description":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T17:05:20Z","modified":"2026-06-19T18:18:08Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:35.26548Z"}],"ghsa":[{"id":"GHSA-76jf-fgc3-37rx","title":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent...","description":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:31:21Z","modified":"2026-03-10T18:31:30Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T15:06:32.599326Z"}],"nvd":[{"id":"CVE-2026-26117","description":"Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-03-10T18:18:41.017Z","modified":"2026-06-17T10:25:45.257Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:12:08.98071Z"}]}}