{"id":"CVE-2026-80077","aliases":["EUVD-2026-73323","GHSA-548x-6463-hm3w"],"status":"published","title":"Remote Desktop Client Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00819,"percentile":0.57473,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-08T17:13:52Z","modified":"2026-10-31T16:12:38Z","products":[{"vendor":"microsoft","product":"remote desktop client for windows desktop"},{"vendor":"microsoft","product":"remote_desktop_client"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80077","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80077"},{"url":"https://github.com/advisories/GHSA-548x-6463-hm3w"}],"sources":{"cve":[{"id":"CVE-2026-80077","title":"Remote Desktop Client Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:13:52.49Z","modified":"2026-10-31T16:12:38.556Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T13:45:25.313702Z"}],"euvd":[{"id":"EUVD-2026-73323","description":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:13:52Z","modified":"2026-10-31T16:12:38Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:59.052076Z"}],"ghsa":[{"id":"GHSA-548x-6463-hm3w","title":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute...","description":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:33:28Z","modified":"2026-09-08T18:33:54Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-80077","description":"Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:20:49.86Z","modified":"2026-09-22T13:20:12.967Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:45.264578Z"}]}}