{"id":"CVE-2026-116943","kind":"vulnerability","aliases":["CVE-2026-116943"],"related":[],"title":"Microsoft SQL Server: buffer over-read lets a network attacker read memory","description":"Buffer over-read in SQL Server allows an unauthorized attacker to disclose information over a network.","summary":"A buffer over-read in Microsoft SQL Server lets an unauthenticated attacker over the network read memory beyond the intended buffer. The sources report information disclosure only, with no code execution stated.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["microsoft","sql-server","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:19:27+00:00","first_seen_at":"2026-11-10T19:24:47+00:00","triaged_at":"2026-11-10T19:44:48+00:00","updated_at":"2026-11-10T19:44:48+00:00","category":"vendor","confidence":0.5,"triage":{"at":"2026-11-10T19:44:48Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft SQL Server: buffer over-read lets a network attacker read memory","impact":"low","summary":"A buffer over-read in Microsoft SQL Server lets an unauthenticated attacker over the network read memory beyond the intended buffer. The sources report information disclosure only, with no code execution stated.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["sql-server","microsoft"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker reads memory contents from a network-reachable SQL Server","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-116943 for affected builds, patched versions and any non-default configuration required.","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":"high"},"cost_usd":0.000629,"input_tokens":4480,"output_tokens":362,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-116943 for affected builds, patched versions and any non-default configuration required.","search":"'-116943':16A,19A '-2026':15A,18A 'allow':65C 'attack':11A,37B,68C 'beyond':43B 'buffer':4A,26B,46B,58C 'code':55B 'cve':14A,17A 'disclos':70C 'disclosur':51B 'execut':56B 'inform':50B,71C 'intend':45B 'let':8A,34B 'memori':13A,42B 'microsoft':1A,20B,31B 'network':10A,40B,74C 'over-read':5A,27B,59C 'read':7A,12A,29B,41B,61C 'report':49B 'server':3A,23B,33B,64C 'sourc':48B 'sql':2A,22B,32B,63C 'sql-server':21B 'state':57B 'unauthent':36B 'unauthor':67C 'vendor':24B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","microsoft","sqlserver","vendor"],"campaign_type":null,"search_a":"'-116943':16A,19A '-2026':15A,18A 'attack':11A 'buffer':4A 'cve':14A,17A 'let':8A 'memori':13A 'microsoft':1A 'network':10A 'over-read':5A 'read':7A,12A 'server':3A 'sql':2A","search_b":"'attack':37B 'beyond':43B 'buffer':26B,46B 'code':55B 'disclosur':51B 'execut':56B 'inform':50B 'intend':45B 'let':34B 'memori':42B 'microsoft':20B,31B 'network':40B 'over-read':27B 'read':29B,41B 'report':49B 'server':23B,33B 'sourc':48B 'sql':22B,32B 'sql-server':21B 'state':57B 'unauthent':36B 'vendor':24B","search_c":"'allow':65C 'attack':68C 'buffer':58C 'disclos':70C 'inform':71C 'network':74C 'over-read':59C 'read':61C 'server':64C 'sql':63C 'unauthor':67C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:27+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116943","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116943","severity":null,"published_at":"2026-11-10T19:19:27+00:00","modified_at":"2026-11-10T19:19:27+00:00","first_seen_at":"2026-11-10T19:24:47+00:00","fetched_at":"2026-11-10T19:24:47+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"}