{"id":"CVE-2026-112756","kind":"vulnerability","aliases":["CVE-2026-112756"],"related":[],"title":"Windows Filtering Platform: use-after-free lets a local user gain higher privileges","description":"Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.","summary":"Windows Filtering Platform, the Windows networking filter engine, has a use-after-free memory bug. A logged-in user with local access can use it to elevate their privileges on the machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Filtering Platform","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:36+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","triaged_at":"2026-11-10T19:53:49+00:00","updated_at":"2026-11-10T19:53:49+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:53:49Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Filtering Platform: use-after-free lets a local user gain higher privileges","impact":"high","summary":"Windows Filtering Platform, the Windows networking filter engine, has a use-after-free memory bug. A logged-in user with local access can use it to elevate their privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains SYSTEM-level privileges on the machine","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-112756 to get affected Windows builds and the patch.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Filtering Platform","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000635,"input_tokens":4492,"output_tokens":372,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-112756 to get affected Windows builds and the patch.","search":"'-112756':17A,20A '-2026':16A,19A 'access':49B 'allow':68C 'attack':71C 'author':70C 'bug':41B 'cve':15A,18A 'elev':54B,73C 'engin':33B 'filter':2A,27B,32B,65C 'filtering':22A 'free':7A,39B,62C 'gain':12A 'higher':13A 'infrastructur':24B 'let':8A 'local':10A,48B,75C 'log':44B 'logged-in':43B 'machin':59B 'memori':40B 'network':31B 'platform':3A,23A,28B,66C 'privileg':14A,56B,74C 'use':5A,37B,51B,60C 'use-after-fre':4A,36B 'user':11A,46B 'wfp':67C 'window':1A,25B,26B,30B,64C 'windows':21A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["filteringplatform","windowsfilteringplatform"],"ptokens":["filtering","platform","windows"],"labels":["high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-112756':17A,20A '-2026':16A,19A 'cve':15A,18A 'filter':2A 'filtering':22A 'free':7A 'gain':12A 'higher':13A 'let':8A 'local':10A 'platform':3A,23A 'privileg':14A 'use':5A 'use-after-fre':4A 'user':11A 'window':1A 'windows':21A","search_b":"'access':49B 'bug':41B 'elev':54B 'engin':33B 'filter':27B,32B 'free':39B 'infrastructur':24B 'local':48B 'log':44B 'logged-in':43B 'machin':59B 'memori':40B 'network':31B 'platform':28B 'privileg':56B 'use':37B,51B 'use-after-fre':36B 'user':46B 'window':25B,26B,30B","search_c":"'allow':68C 'attack':71C 'author':70C 'elev':73C 'filter':65C 'free':62C 'local':75C 'platform':66C 'privileg':74C 'use':60C 'wfp':67C 'window':64C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:36+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-2026-112756","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112756","severity":null,"published_at":"2026-11-10T19:18:36+00:00","modified_at":"2026-11-10T19:18:36+00:00","first_seen_at":"2026-11-10T19:24:32+00:00","fetched_at":"2026-11-10T19:24:32+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"}