{"id":"CVE-2026-32163","title":"Windows User Interface Core Elevation of Privilege Vulnerability","summary":"Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-362","CWE-416"],"vendor":"Microsoft","product":"Windows 10 Version 1809","affected":["windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.8644","windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7184","windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7184","windows_11_version_22h3 >= 10.0.22631.0 < 10.0.22631.6936","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.6936","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8246","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8246","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.1836","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.8644","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.8644","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5020","windows_server_2022_23h2_edition_server_core_installation >= 10.0.25398.0 < 10.0.25398.2274","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32690","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32690"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-04-15T03:58:04.267816Z"},"published":"2026-04-14","updated":"2026-09-25","sourceUpdated":"2026-09-25T17:26:05.946Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-32163","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32163","label":"Windows User Interface Core Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00202,"epssPercentile":0.08947,"ingestedAt":"2026-09-25T18:14:20.420Z","slug":"CVE-2026-32163","body":"## Overview\n\nConcurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.8644`\n- `windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7184`\n- `windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7184`\n- `windows_11_version_22h3 >= 10.0.22631.0 < 10.0.22631.6936`\n- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.6936`\n- `windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8246`\n- `windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8246`\n- `windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.1836`\n- `windows_server_2019 >= 10.0.17763.0 < 10.0.17763.8644`\n- `windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.8644`\n- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5020`\n- `windows_server_2022_23h2_edition_server_core_installation >= 10.0.25398.0 < 10.0.25398.2274`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32690`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32690`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}