{"id":"CVE-2026-55000","title":"Windows USB Print Driver Elevation of Privilege Vulnerability","summary":"Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-416"],"vendor":"Microsoft","product":"Windows 11 Version 24H2","affected":["windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8875","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8875","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2525","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33158"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-14T17:44:44.545117Z"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:28:49.590Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-55000","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55000","label":"Windows USB Print Driver Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00339,"epssPercentile":0.27478,"ingestedAt":"2026-09-08T17:06:31.930Z","slug":"CVE-2026-55000","body":"## Overview\n\nUse after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.\n\n## Affected\n\n- `windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8875`\n- `windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8875`\n- `windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2525`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33158`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}