{"id":"CVE-2026-42966","kind":"vulnerability","aliases":["CVE-2026-42966"],"related":[],"title":"Intel Neural Compressor: uncaught exception lets local user escalate privileges","description":"Uncaught exception for some Intel(R) Neural Compressor software before version 3.8 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. 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 (low), integrity (low) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.","summary":"Some versions of Intel Neural Compressor before 3.8 fail to handle an exception in user-level code, which can let a local, authenticated user gain elevated privileges. The attacker needs a local account on the machine and no user interaction is required.","severity":"medium","cvss":4.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["intel-neural-compressor","local-users","package","python"],"not_affected_if":["library-not-installed","version-3.8-or-later"],"how_to_check":"- Check the installed Intel Neural Compressor version with `pip show neural-compressor` (version unknown from sources for other install methods)\n- Confirm whether multiple users share the machine or host workloads running it","fix":"- Intel Neural Compressor: move to `3.8` or later","status":"open","published_at":"2026-11-10T17:17:43+00:00","first_seen_at":"2026-11-10T17:22:43+00:00","triaged_at":"2026-11-10T17:25:41+00:00","updated_at":"2026-11-10T17:25:41+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-10T17:25:41Z","model":"claude-haiku-5-5","output":{"fix":"- Intel Neural Compressor: move to `3.8` or later","reach":"local","title":"Intel Neural Compressor: uncaught exception lets local user escalate privileges","impact":"high","summary":"Some versions of Intel Neural Compressor before 3.8 fail to handle an exception in user-level code, which can let a local, authenticated user gain elevated privileges. The attacker needs a local account on the machine and no user interaction is required.","audience":"developers","category":"package","nicknames":[],"who_cares":["intel-neural-compressor","python","local-users"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"local user gains elevated privileges on the machine","analyst_note":"Confirm the affected version range and the package registry it ships through from the Intel advisory or NVD entry.","how_to_check":"- Check the installed Intel Neural Compressor version with `pip show neural-compressor` (version unknown from sources for other install methods)\n- Confirm whether multiple users share the machine or host workloads running it","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["version-3.8-or-later","library-not-installed"],"who_is_affected":"Only machines where Intel Neural Compressor below 3.8 is installed and where a local, authenticated user could run code are plausibly exposed. Systems with a single trusted user, or where the library is not installed, can skip it. Exact affected configurations are unknown from the sources.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000744,"input_tokens":4660,"output_tokens":556,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-42966':13A,16A '3':83C '3.8':33B,80C 'access':117C 'account':59B 'adversari':94C 'allow':87C 'applic':85C 'attack':55B,104C,119C 'authent':49B,97C 'avail':144C,159C 'code':43B 'combin':99C 'complex':103C 'compressor':3A,20B,31B,76C 'confidenti':139C,154C 'cve':11A,14A 'elev':52B 'enabl':106C 'escal':9A,89C,107C 'except':5A,38B,70C 'fail':34B 'gain':51B 'handl':36B 'impact':137C,161C 'integr':141C,156C 'intel':1A,18B,29B,73C 'intel-neural-compressor':17B 'interact':66B,132C 'intern':126C 'knowledg':127C 'let':6A,46B 'level':42B 'local':7A,22B,48B,58B,116C 'local-us':21B 'low':102C,140C,142C,145C 'machin':62B 'may':86C,105C,112C,136C 'need':56B 'neural':2A,19B,30B,75C 'none':155C,157C,160C 'occur':114C 'packag':24B 'potenti':113C,134C 'present':123C 'privileg':10A,53B,91C,109C 'python':25B 'r':74C 'requir':68B,120C,129C 'result':111C,150C 'ring':82C 'softwar':77C,93C 'special':125C 'subsequ':152C 'system':149C,153C 'uncaught':4A,69C 'unprivileg':92C 'user':8A,23B,41B,50B,65B,84C,98C,131C 'user-level':40B 'version':27B,79C 'via':115C 'vulner':135C,148C 'within':81C 'without':124C","nicknames":[],"mitigations":[],"who_affected":"Only machines where Intel Neural Compressor below 3.8 is installed and where a local, authenticated user could run code are plausibly exposed. Systems with a single trusted user, or where the library is not installed, can skip it. Exact affected configurations are unknown from the sources.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["intelneuralcompressor","localusers","medium","package","python"],"campaign_type":null,"search_a":"'-2026':12A,15A '-42966':13A,16A 'compressor':3A 'cve':11A,14A 'escal':9A 'except':5A 'intel':1A 'let':6A 'local':7A 'neural':2A 'privileg':10A 'uncaught':4A 'user':8A","search_b":"'3.8':33B 'account':59B 'attack':55B 'authent':49B 'code':43B 'compressor':20B,31B 'elev':52B 'except':38B 'fail':34B 'gain':51B 'handl':36B 'intel':18B,29B 'intel-neural-compressor':17B 'interact':66B 'let':46B 'level':42B 'local':22B,48B,58B 'local-us':21B 'machin':62B 'need':56B 'neural':19B,30B 'packag':24B 'privileg':53B 'python':25B 'requir':68B 'user':23B,41B,50B,65B 'user-level':40B 'version':27B","search_c":"'3':83C '3.8':80C 'access':117C 'adversari':94C 'allow':87C 'applic':85C 'attack':104C,119C 'authent':97C 'avail':144C,159C 'combin':99C 'complex':103C 'compressor':76C 'confidenti':139C,154C 'enabl':106C 'escal':89C,107C 'except':70C 'impact':137C,161C 'integr':141C,156C 'intel':73C 'interact':132C 'intern':126C 'knowledg':127C 'local':116C 'low':102C,140C,142C,145C 'may':86C,105C,112C,136C 'neural':75C 'none':155C,157C,160C 'occur':114C 'potenti':113C,134C 'present':123C 'privileg':91C,109C 'r':74C 'requir':120C,129C 'result':111C,150C 'ring':82C 'softwar':77C,93C 'special':125C 'subsequ':152C 'system':149C,153C 'uncaught':69C 'unprivileg':92C 'user':84C,98C,131C 'version':79C 'via':115C 'vulner':135C,148C 'within':81C 'without':124C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T17:17:43+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/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-2026-42966","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42966","severity":null,"published_at":"2026-11-10T17:17:43+00:00","modified_at":"2026-11-10T17:17:43+00:00","first_seen_at":"2026-11-10T17:22:43+00:00","fetched_at":"2026-11-10T17:22:43+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"}