{"id":"CVE-2026-95884","kind":"vulnerability","aliases":["CVE-2026-95884"],"related":[],"title":"Windows Active Directory Certificate Services: buffer over-read leaks information over network","description":"Buffer over-read in Windows Active Directory Certificate Services allows an authorized attacker to disclose information over a network.","summary":"A buffer over-read in Windows Active Directory Certificate Services lets an authorized attacker read memory beyond the intended buffer. The attacker can disclose information over the network.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["active-directory","adcs","infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:41+00:00","first_seen_at":"2026-11-10T19:25:22+00:00","triaged_at":"2026-11-10T20:02:26+00:00","updated_at":"2026-11-10T20:02:26+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:02:26Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Active Directory Certificate Services: buffer over-read leaks information over network","impact":"low","summary":"A buffer over-read in Windows Active Directory Certificate Services lets an authorized attacker read memory beyond the intended buffer. The attacker can disclose information over the network.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","active-directory","adcs"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"Attacker reads memory contents over the network, possibly leaking sensitive data","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-95884 for affected Windows versions, fixed builds and any mitigation.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Organizations that run Active Directory Certificate Services (AD CS) as a Windows Server role issuing certificates. The sources do not say which versions are affected or which configurations are exposed.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000661,"input_tokens":4492,"output_tokens":423,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-95884':16A,19A 'activ':2A,21B,33B,61C 'active-directori':20B 'adc':23B 'allow':65C 'attack':40B,48B,68C 'author':39B,67C 'beyond':43B 'buffer':6A,27B,46B,55C 'certif':4A,35B,63C 'cve':14A,17A 'directori':3A,22B,34B,62C 'disclos':50B,70C 'inform':11A,51B,71C 'infrastructur':24B 'intend':45B 'leak':10A 'let':37B 'memori':42B 'network':13A,54B,74C 'over-read':7A,28B,56C 'read':9A,30B,41B,58C 'servic':5A,36B,64C 'window':1A,25B,32B,60C","nicknames":[],"mitigations":[],"who_affected":"Organizations that run Active Directory Certificate Services (AD CS) as a Windows Server role issuing certificates. The sources do not say which versions are affected or which configurations are exposed.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["activedirectory","adcs","infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-2026':15A,18A '-95884':16A,19A 'activ':2A 'buffer':6A 'certif':4A 'cve':14A,17A 'directori':3A 'inform':11A 'leak':10A 'network':13A 'over-read':7A 'read':9A 'servic':5A 'window':1A","search_b":"'activ':21B,33B 'active-directori':20B 'adc':23B 'attack':40B,48B 'author':39B 'beyond':43B 'buffer':27B,46B 'certif':35B 'directori':22B,34B 'disclos':50B 'inform':51B 'infrastructur':24B 'intend':45B 'let':37B 'memori':42B 'network':54B 'over-read':28B 'read':30B,41B 'servic':36B 'window':25B,32B","search_c":"'activ':61C 'allow':65C 'attack':68C 'author':67C 'buffer':55C 'certif':63C 'directori':62C 'disclos':70C 'inform':71C 'network':74C 'over-read':56C 'read':58C 'servic':64C 'window':60C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:41+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-95884","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95884","severity":null,"published_at":"2026-11-10T19:21:41+00:00","modified_at":"2026-11-10T19:21:41+00:00","first_seen_at":"2026-11-10T19:25:22+00:00","fetched_at":"2026-11-10T19:25:22+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"}