{"id":"CVE-2026-119889","kind":"vulnerability","aliases":["CVE-2026-119889"],"related":[],"title":"ActiveSyncProvider: out-of-bounds read lets remote attackers disclose information","description":"Out-of-bounds read in ActiveSyncProvider allows an unauthorized attacker to disclose information over a network.","summary":"ActiveSyncProvider contains an out-of-bounds read that an unauthenticated attacker can trigger over the network. The sources say it discloses information, not that it executes code or changes data.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["activesync","other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:09+00:00","first_seen_at":"2026-11-10T19:25:01+00:00","triaged_at":"2026-11-10T19:56:26+00:00","updated_at":"2026-11-10T19:56:26+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:56:26Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"ActiveSyncProvider: out-of-bounds read lets remote attackers disclose information","impact":"low","summary":"ActiveSyncProvider contains an out-of-bounds read that an unauthenticated attacker can trigger over the network. The sources say it discloses information, not that it executes code or changes data.","audience":"businesses","category":"other","nicknames":[],"who_cares":["activesync"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Memory contents disclosed to an unauthenticated network attacker","analyst_note":"Identify the affected product and versions for ActiveSyncProvider from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-119889.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000632,"input_tokens":4495,"output_tokens":364,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119889':14A,17A '-2026':13A,16A 'activesync':18B 'activesyncprovid':1A,19B,56C 'allow':57C 'attack':9A,30B,60C 'bound':5A,25B,53C 'chang':48B 'code':46B 'contain':20B 'cve':12A,15A 'data':49B 'disclos':10A,40B,62C 'execut':45B 'inform':11A,41B,63C 'let':7A 'network':35B,66C 'out-of-bound':2A,22B,50C 'read':6A,26B,54C 'remot':8A 'say':38B 'sourc':37B 'trigger':32B 'unauthent':29B 'unauthor':59C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["activesync","medium","other"],"campaign_type":null,"search_a":"'-119889':14A,17A '-2026':13A,16A 'activesyncprovid':1A 'attack':9A 'bound':5A 'cve':12A,15A 'disclos':10A 'inform':11A 'let':7A 'out-of-bound':2A 'read':6A 'remot':8A","search_b":"'activesync':18B 'activesyncprovid':19B 'attack':30B 'bound':25B 'chang':48B 'code':46B 'contain':20B 'data':49B 'disclos':40B 'execut':45B 'inform':41B 'network':35B 'out-of-bound':22B 'read':26B 'say':38B 'sourc':37B 'trigger':32B 'unauthent':29B","search_c":"'activesyncprovid':56C 'allow':57C 'attack':60C 'bound':53C 'disclos':62C 'inform':63C 'network':66C 'out-of-bound':50C 'read':54C 'unauthor':59C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:09+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119889","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119889","severity":null,"published_at":"2026-11-10T19:20:09+00:00","modified_at":"2026-11-10T19:20:09+00:00","first_seen_at":"2026-11-10T19:25:01+00:00","fetched_at":"2026-11-10T19:25:01+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"}