{"id":"CVE-2026-119397","kind":"vulnerability","aliases":["CVE-2026-119397"],"related":[],"title":"Kernel Transaction Manager: use-after-free lets a local user gain higher privileges","description":"Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Kernel Transaction Manager lets an already-authorized local user corrupt kernel memory. An attacker can use it to elevate their privileges on the machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","linux-or-windows-kernel","multi-user-hosts"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:54+00:00","first_seen_at":"2026-11-10T19:24:56+00:00","triaged_at":"2026-11-10T19:51:59+00:00","updated_at":"2026-11-10T19:51:59+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:51:59Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Kernel Transaction Manager: use-after-free lets a local user gain higher privileges","impact":"high","summary":"A use-after-free bug in the Kernel Transaction Manager lets an already-authorized local user corrupt kernel memory. An attacker can use it to elevate their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["linux-or-windows-kernel","multi-user-hosts"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains kernel-level privileges, full machine takeover","analyst_note":"Identify the affected kernel product and fixed versions from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-119397 and the vendor advisory.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Only a local user who already has an account or code running on the machine can trigger this; remote attackers without a foothold are not described as affected. Look at systems where untrusted local users or processes run. The sources do not name the affected kernel or OS versions.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000683,"input_tokens":4484,"output_tokens":469,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Identify the affected kernel product and fixed versions from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-119397 and the vendor advisory.","search":"'-119397':17A,20A '-2026':16A,19A 'allow':71C 'alreadi':45B 'already-author':44B 'attack':53B,74C 'author':46B,73C 'bug':36B 'corrupt':49B 'cve':15A,18A 'elev':58B,76C 'free':7A,35B,66C 'gain':12A 'higher':13A 'host':30B 'infrastructur':21B 'kernel':1A,26B,39B,50B,68C 'let':8A,42B 'linux':23B 'linux-or-windows-kernel':22B 'local':10A,47B,78C 'machin':63B 'manag':3A,41B,70C 'memori':51B 'multi':28B 'multi-user-host':27B 'privileg':14A,60B,77C 'transact':2A,40B,69C 'use':5A,33B,55B,64C 'use-after-fre':4A,32B 'user':11A,29B,48B 'window':25B","nicknames":[],"mitigations":[],"who_affected":"Only a local user who already has an account or code running on the machine can trigger this; remote attackers without a foothold are not described as affected. Look at systems where untrusted local users or processes run. The sources do not name the affected kernel or OS versions.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","linuxorwindowskernel","multiuserhosts"],"campaign_type":null,"search_a":"'-119397':17A,20A '-2026':16A,19A 'cve':15A,18A 'free':7A 'gain':12A 'higher':13A 'kernel':1A 'let':8A 'local':10A 'manag':3A 'privileg':14A 'transact':2A 'use':5A 'use-after-fre':4A 'user':11A","search_b":"'alreadi':45B 'already-author':44B 'attack':53B 'author':46B 'bug':36B 'corrupt':49B 'elev':58B 'free':35B 'host':30B 'infrastructur':21B 'kernel':26B,39B,50B 'let':42B 'linux':23B 'linux-or-windows-kernel':22B 'local':47B 'machin':63B 'manag':41B 'memori':51B 'multi':28B 'multi-user-host':27B 'privileg':60B 'transact':40B 'use':33B,55B 'use-after-fre':32B 'user':29B,48B 'window':25B","search_c":"'allow':71C 'attack':74C 'author':73C 'elev':76C 'free':66C 'kernel':68C 'local':78C 'manag':70C 'privileg':77C 'transact':69C 'use':64C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119397","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119397","severity":null,"published_at":"2026-11-10T19:19:54+00:00","modified_at":"2026-11-10T19:19:54+00:00","first_seen_at":"2026-11-10T19:24:56+00:00","fetched_at":"2026-11-10T19:24:56+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"}