{"id":"CVE-2026-45648","title":"Windows Active Directory Domain Services Remote Code Execution Vulnerability","summary":"Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-121"],"vendor":"Microsoft","product":"Windows Server 2022","affected":["windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5256","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32995","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32995"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-06-05T00:00:00+00:00"},"published":"2026-06-09","updated":"2026-09-24","sourceUpdated":"2026-09-24T13:43:55.074Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45648","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45648","label":"Windows Active Directory Domain Services Remote Code Execution Vulnerability"}],"tags":["cve.org"],"epss":0.01124,"epssPercentile":0.64857,"ingestedAt":"2026-09-24T14:44:21.424Z","slug":"CVE-2026-45648","body":"## Overview\n\nStack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.\n\n## Affected\n\n- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5256`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32995`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32995`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}