{"id":"CVE-2026-61377","kind":"vulnerability","aliases":["CVE-2026-61377"],"related":[],"title":"Intel TDX MigTD: uncleared memory lets a privileged local user read data","description":"Sensitive information uncleared in resource before release for reuse in the MigTD for the Intel(R) TDX Migration Trust Domain (MigTD) within Ring 0: Hypervisor may allow an information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.","summary":"Intel's MigTD component of the TDX Migration Trust Domain does not clear sensitive data before a resource is reused. A privileged system software attacker on the same machine may read confidential information.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["confidential-computing","hypervisor","infrastructure","intel-tdx"],"not_affected_if":["no-intel-tdx"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T18:17:43+00:00","first_seen_at":"2026-11-10T18:23:00+00:00","triaged_at":"2026-11-10T18:24:39+00:00","updated_at":"2026-11-10T18:24:39+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T18:24:39Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Intel TDX MigTD: uncleared memory lets a privileged local user read data","impact":"high","summary":"Intel's MigTD component of the TDX Migration Trust Domain does not clear sensitive data before a resource is reused. A privileged system software attacker on the same machine may read confidential information.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["intel-tdx","hypervisor","confidential-computing"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"privileged local attacker reads confidential data from migration trust domain","analyst_note":"Find Intel's security advisory for CVE-2026-61377 to get affected and fixed versions and mitigation guidance.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-intel-tdx"],"who_is_affected":"Affects hosts running Intel TDX live migration with the MigTD component in Ring 0 hypervisor setups. The sources do not say which versions or configurations are affected, and do not list a fix. Teams not using Intel TDX migration can likely skip it.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"yes","severity_if_unknown":"unknown"},"cost_usd":0.000693,"input_tokens":4670,"output_tokens":452,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-61377':15A,18A '0':83C 'access':114C 'adversari':92C 'allow':86C 'attack':51B,102C,116C 'avail':141C,156C 'clear':39B 'combin':97C 'complex':101C 'compon':30B 'comput':21B 'confidenti':20B,58B,136C,151C 'confidential-comput':19B 'cve':13A,16A 'data':12A,41B,105C 'disclosur':89C 'domain':36B,79C 'enabl':104C 'exposur':106C 'high':100C,137C,152C 'hypervisor':22B,84C 'impact':134C,158C 'inform':59B,61C,88C 'infrastructur':23B 'integr':138C,153C 'intel':1A,25B,27B,74C 'intel-tdx':24B 'interact':129C 'intern':123C 'knowledg':124C 'let':6A 'local':9A,113C 'machin':55B 'may':56B,85C,103C,109C,133C 'memori':5A 'migrat':34B,77C 'migtd':3A,29B,71C,80C 'none':139C,142C,154C,157C 'occur':111C 'potenti':110C,131C 'present':120C 'privileg':8A,48B,95C 'r':75C 'read':11A,57B 'releas':66C 'requir':117C,126C 'resourc':44B,64C 'result':108C,147C 'reus':46B,68C 'ring':82C 'sensit':40B,60C 'softwar':50B,91C 'special':122C 'subsequ':149C 'system':49B,90C,146C,150C 'tdx':2A,26B,33B,76C 'trust':35B,78C 'unclear':4A,62C 'user':10A,96C,128C 'via':112C 'vulner':132C,145C 'within':81C 'without':121C","nicknames":[],"mitigations":[],"who_affected":"Affects hosts running Intel TDX live migration with the MigTD component in Ring 0 hypervisor setups. The sources do not say which versions or configurations are affected, and do not list a fix. Teams not using Intel TDX migration can likely skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["confidentialcomputing","hypervisor","infrastructure","inteltdx","medium"],"campaign_type":null,"search_a":"'-2026':14A,17A '-61377':15A,18A 'cve':13A,16A 'data':12A 'intel':1A 'let':6A 'local':9A 'memori':5A 'migtd':3A 'privileg':8A 'read':11A 'tdx':2A 'unclear':4A 'user':10A","search_b":"'attack':51B 'clear':39B 'compon':30B 'comput':21B 'confidenti':20B,58B 'confidential-comput':19B 'data':41B 'domain':36B 'hypervisor':22B 'inform':59B 'infrastructur':23B 'intel':25B,27B 'intel-tdx':24B 'machin':55B 'may':56B 'migrat':34B 'migtd':29B 'privileg':48B 'read':57B 'resourc':44B 'reus':46B 'sensit':40B 'softwar':50B 'system':49B 'tdx':26B,33B 'trust':35B","search_c":"'0':83C 'access':114C 'adversari':92C 'allow':86C 'attack':102C,116C 'avail':141C,156C 'combin':97C 'complex':101C 'confidenti':136C,151C 'data':105C 'disclosur':89C 'domain':79C 'enabl':104C 'exposur':106C 'high':100C,137C,152C 'hypervisor':84C 'impact':134C,158C 'inform':61C,88C 'integr':138C,153C 'intel':74C 'interact':129C 'intern':123C 'knowledg':124C 'local':113C 'may':85C,103C,109C,133C 'migrat':77C 'migtd':71C,80C 'none':139C,142C,154C,157C 'occur':111C 'potenti':110C,131C 'present':120C 'privileg':95C 'r':75C 'releas':66C 'requir':117C,126C 'resourc':64C 'result':108C,147C 'reus':68C 'ring':82C 'sensit':60C 'softwar':91C 'special':122C 'subsequ':149C 'system':90C,146C,150C 'tdx':76C 'trust':78C 'unclear':62C 'user':96C,128C 'via':112C 'vulner':132C,145C 'within':81C 'without':121C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T18:17:43+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"secure@intel.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-61377","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61377","severity":null,"published_at":"2026-11-10T18:17:43+00:00","modified_at":"2026-11-10T18:17:43+00:00","first_seen_at":"2026-11-10T18:23:00+00:00","fetched_at":"2026-11-10T18:23:00+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}