{"id":"CVE-2026-26151","title":"Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.","summary":"Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","cwe":["CWE-357"],"vendor":"microsoft","product":"windows_10_1607","affected":["windows_10_1607 < 10.0.14393.9060","windows_10_1809 < 10.0.17763.8644","windows_10_21h2 < 10.0.19044.7184","windows_10_22h2 < 10.0.19045.7184","windows_11_23h2 < 10.0.22631.6936","windows_11_24h2 < 10.0.26100.8246","windows_11_25h2 < 10.0.26200.8246","windows_11_26h1 < 10.0.28000.1836","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.9060","windows_server_2019 < 10.0.17763.8644","windows_server_2022 < 10.0.20348.5020","windows_server_2022_23h2 < 10.0.25398.2274","windows_server_2025 < 10.0.26100.32690"],"patched":["windows_10_1607 10.0.14393.9060","windows_10_1809 10.0.17763.8644","windows_10_21h2 10.0.19044.7184","windows_10_22h2 10.0.19045.7184","windows_11_23h2 10.0.22631.6936","windows_11_24h2 10.0.26100.8246","windows_11_25h2 10.0.26200.8246","windows_11_26h1 10.0.28000.1836","windows_server_2016 10.0.14393.9060","windows_server_2019 10.0.17763.8644","windows_server_2022 10.0.20348.5020","windows_server_2022_23h2 10.0.25398.2274","windows_server_2025 10.0.26100.32690"],"published":"2026-04-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:17:31.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-26151","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26151","label":"secure@microsoft.com"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2026-26151-detection-script-spoofing-vulnerability-affecting-windows-remote-desktop","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2026-26151-mitigation-script-spoofing-vulnerability-affecting-windows-remote-desktop","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.0083,"epssPercentile":0.5736,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-14T19:03:44.866889Z"},"ingestedAt":"2026-09-25T18:14:20.460Z","slug":"CVE-2026-26151","body":"## Overview\n\nInsufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `windows_10_1607 < 10.0.14393.9060`\n- `windows_10_1809 < 10.0.17763.8644`\n- `windows_10_21h2 < 10.0.19044.7184`\n- `windows_10_22h2 < 10.0.19045.7184`\n- `windows_11_23h2 < 10.0.22631.6936`\n- `windows_11_24h2 < 10.0.26100.8246`\n- `windows_11_25h2 < 10.0.26200.8246`\n- `windows_11_26h1 < 10.0.28000.1836`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.9060`\n- `windows_server_2019 < 10.0.17763.8644`\n- `windows_server_2022 < 10.0.20348.5020`\n- `windows_server_2022_23h2 < 10.0.25398.2274`\n- `windows_server_2025 < 10.0.26100.32690`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1607 10.0.14393.9060`\n- `windows_10_1809 10.0.17763.8644`\n- `windows_10_21h2 10.0.19044.7184`\n- `windows_10_22h2 10.0.19045.7184`\n- `windows_11_23h2 10.0.22631.6936`\n- `windows_11_24h2 10.0.26100.8246`\n- `windows_11_25h2 10.0.26200.8246`\n- `windows_11_26h1 10.0.28000.1836`\n- `windows_server_2016 10.0.14393.9060`\n- `windows_server_2019 10.0.17763.8644`\n- `windows_server_2022 10.0.20348.5020`\n- `windows_server_2022_23h2 10.0.25398.2274`\n- `windows_server_2025 10.0.26100.32690`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}