{"id":"CVE-2026-54124","title":"Windows Terminal Remote Code Execution Vulnerability","summary":"Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-190","CWE-122"],"vendor":"Microsoft","product":"Windows 10 Version 21H2","affected":["windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548","windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548","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_2022 >= 10.0.20348.0 < 10.0.20348.5386","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","windows_terminal_for_windows_10 >= 1.0.0 < 1.24.11321.0","windows_terminal_for_windows_11 >= 1.0.0 < 1.24.11321.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-15T00:00:00+00:00"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:33:25.383Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54124","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54124","label":"Windows Terminal Remote Code Execution Vulnerability"}],"tags":["cve.org"],"epss":0.00466,"epssPercentile":0.396,"ingestedAt":"2026-09-08T17:06:31.905Z","slug":"CVE-2026-54124","body":"## Overview\n\nInteger overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.\n\n## Affected\n\n- `windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548`\n- `windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548`\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_2022 >= 10.0.20348.0 < 10.0.20348.5386`\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- `windows_terminal_for_windows_10 >= 1.0.0 < 1.24.11321.0`\n- `windows_terminal_for_windows_11 >= 1.0.0 < 1.24.11321.0`\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":0.1,"exploitation":0,"ransomware":0},"changes":[]}