{"id":"CVE-2026-88238","kind":"vulnerability","aliases":["CVE-2026-88238"],"related":[],"title":"Windows: Camera Frame Server Monitor heap overflow lets local users gain privileges","description":"Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally.","summary":"A heap-based buffer overflow in the Windows Camera Frame Server Monitor lets an already-authorized local user raise their privileges. An attacker who can run code on the machine could gain higher system rights.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","infrastructure","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:32+00:00","first_seen_at":"2026-11-10T19:25:20+00:00","triaged_at":"2026-11-10T19:38:38+00:00","updated_at":"2026-11-10T19:38:38+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:38:38Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows: Camera Frame Server Monitor heap overflow lets local users gain privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows Camera Frame Server Monitor lets an already-authorized local user raise their privileges. An attacker who can run code on the machine could gain higher system rights.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","endpoints"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local attacker gains elevated system privileges on the machine","analyst_note":"Check the Microsoft security update guide entry for CVE-2026-88238 for affected Windows builds and the patch KB.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Windows machines with the Camera Frame Server Monitor component; exposure requires a local authorized account. The sources do not say which Windows builds are affected or whether the component is enabled by default.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000663,"input_tokens":4502,"output_tokens":425,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft security update guide entry for CVE-2026-88238 for affected Windows builds and the patch KB.","search":"'-2026':14A,17A '-88238':15A,18A 'allow':70C 'alreadi':38B 'already-author':37B 'attack':46B,73C 'author':39B,72C 'base':25B,61C 'buffer':26B,62C 'camera':2A,31B,66C 'code':50B 'could':54B 'cve':13A,16A 'elev':75C 'endpoint':19B 'frame':3A,32B,67C 'gain':11A,55B 'heap':6A,24B,60C 'heap-bas':23B,59C 'higher':56B 'infrastructur':20B 'let':8A,35B 'local':9A,40B,77C 'machin':53B 'monitor':5A,34B,69C 'overflow':7A,27B,63C 'privileg':12A,44B,76C 'rais':42B 'right':58B 'run':49B 'server':4A,33B,68C 'system':57B 'user':10A,41B 'window':1A,21B,30B,65C","nicknames":[],"mitigations":[],"who_affected":"Windows machines with the Camera Frame Server Monitor component; exposure requires a local authorized account. The sources do not say which Windows builds are affected or whether the component is enabled by default.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["endpoints","high","infrastructure","windows"],"campaign_type":null,"search_a":"'-2026':14A,17A '-88238':15A,18A 'camera':2A 'cve':13A,16A 'frame':3A 'gain':11A 'heap':6A 'let':8A 'local':9A 'monitor':5A 'overflow':7A 'privileg':12A 'server':4A 'user':10A 'window':1A","search_b":"'alreadi':38B 'already-author':37B 'attack':46B 'author':39B 'base':25B 'buffer':26B 'camera':31B 'code':50B 'could':54B 'endpoint':19B 'frame':32B 'gain':55B 'heap':24B 'heap-bas':23B 'higher':56B 'infrastructur':20B 'let':35B 'local':40B 'machin':53B 'monitor':34B 'overflow':27B 'privileg':44B 'rais':42B 'right':58B 'run':49B 'server':33B 'system':57B 'user':41B 'window':21B,30B","search_c":"'allow':70C 'attack':73C 'author':72C 'base':61C 'buffer':62C 'camera':66C 'elev':75C 'frame':67C 'heap':60C 'heap-bas':59C 'local':77C 'monitor':69C 'overflow':63C 'privileg':76C 'server':68C 'window':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:32+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/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-2026-88238","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88238","severity":null,"published_at":"2026-11-10T19:21:32+00:00","modified_at":"2026-11-10T19:21:33+00:00","first_seen_at":"2026-11-10T19:25:20+00:00","fetched_at":"2026-11-10T19:25:20+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"}