{"id":"CVE-2026-85942","kind":"vulnerability","aliases":["CVE-2026-85942"],"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 authorized local user raise their privileges. An attacker who already has a foothold on the machine can gain higher system rights.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:26+00:00","first_seen_at":"2026-11-10T19:25:18+00:00","triaged_at":"2026-11-10T19:38:48+00:00","updated_at":"2026-11-10T19:38:48+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-10T19:38:48Z","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 authorized local user raise their privileges. An attacker who already has a foothold on the machine can gain higher system rights.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user escalates to elevated system privileges","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-85942 to get affected Windows builds and the patch.","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 present. The attacker must already have an authorized local account, so the risk is mainly to shared or multi-user systems. The sources do not say which Windows builds are affected or whether a patch is out.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000667,"input_tokens":4502,"output_tokens":433,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-85942 to get affected Windows builds and the patch.","search":"'-2026':14A,17A '-85942':15A,18A 'allow':68C 'alreadi':45B 'attack':43B,71C 'author':36B,70C 'base':24B,59C 'buffer':25B,60C 'camera':2A,30B,64C 'cve':13A,16A 'elev':73C 'foothold':48B 'frame':3A,31B,65C 'gain':11A,53B 'heap':6A,23B,58C 'heap-bas':22B,57C 'higher':54B 'infrastructur':19B 'let':8A,34B 'local':9A,37B,75C 'machin':51B 'monitor':5A,33B,67C 'overflow':7A,26B,61C 'privileg':12A,41B,74C 'rais':39B 'right':56B 'server':4A,32B,66C 'system':55B 'user':10A,38B 'window':1A,20B,29B,63C","nicknames":[],"mitigations":[],"who_affected":"Windows machines with the Camera Frame Server Monitor component present. The attacker must already have an authorized local account, so the risk is mainly to shared or multi-user systems. The sources do not say which Windows builds are affected or whether a patch is out.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-2026':14A,17A '-85942':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':45B 'attack':43B 'author':36B 'base':24B 'buffer':25B 'camera':30B 'foothold':48B 'frame':31B 'gain':53B 'heap':23B 'heap-bas':22B 'higher':54B 'infrastructur':19B 'let':34B 'local':37B 'machin':51B 'monitor':33B 'overflow':26B 'privileg':41B 'rais':39B 'right':56B 'server':32B 'system':55B 'user':38B 'window':20B,29B","search_c":"'allow':68C 'attack':71C 'author':70C 'base':59C 'buffer':60C 'camera':64C 'elev':73C 'frame':65C 'heap':58C 'heap-bas':57C 'local':75C 'monitor':67C 'overflow':61C 'privileg':74C 'server':66C 'window':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:26+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-2026-85942","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85942","severity":null,"published_at":"2026-11-10T19:21:26+00:00","modified_at":"2026-11-10T19:21:26+00:00","first_seen_at":"2026-11-10T19:25:18+00:00","fetched_at":"2026-11-10T19:25:18+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"}