{"id":"CVE-2026-69530","title":"Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.","summary":"Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"Microsoft","product":"Windows 10 Version 1809","affected":["windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T04:18:58.287","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69530","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69530","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-08T18:35:59.143170Z"},"ingestedAt":"2026-09-08T19:08:49.614Z","epss":0.00552,"epssPercentile":0.44995,"slug":"CVE-2026-69530","body":"## Overview\n\nUse after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}