{"id":"CVE-2026-67387","kind":"vulnerability","aliases":["CVE-2026-67387"],"related":[],"title":"SQL Server: untrusted pointer dereference lets an authorized user gain higher privileges","description":"Untrusted pointer dereference in SQL Server allows an authorized attacker to elevate privileges over a network.","summary":"SQL Server has an untrusted pointer dereference flaw that lets an attacker who already holds valid credentials raise their privileges over the network. The sources give a CVSS score of 8.8 and do not describe the exact exploit path.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["microsoft","other","sql-server"],"not_affected_if":[],"how_to_check":"- Check the installed SQL Server version with `SELECT @@VERSION` and compare it against the fixed versions in Microsoft's advisory","fix":null,"status":"open","published_at":"2026-11-10T19:21:18+00:00","first_seen_at":"2026-11-10T19:25:16+00:00","triaged_at":"2026-11-10T19:26:10+00:00","updated_at":"2026-11-10T19:26:10+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T19:26:10Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"SQL Server: untrusted pointer dereference lets an authorized user gain higher privileges","impact":"high","summary":"SQL Server has an untrusted pointer dereference flaw that lets an attacker who already holds valid credentials raise their privileges over the network. The sources give a CVSS score of 8.8 and do not describe the exact exploit path.","audience":"businesses","category":"other","nicknames":[],"who_cares":["sql-server","microsoft"],"confidence":0.4,"fix_status":"unknown","needs_auth":"yes","worst_case":"authorized attacker elevates privileges on the database server","analyst_note":"Pull Microsoft's advisory for CVE-2026-67387 to get affected builds, fixed versions and any required configuration; the NVD entry alone gives none of these.","how_to_check":"- Check the installed SQL Server version with `SELECT @@VERSION` and compare it against the fixed versions in Microsoft's advisory\n- unknown beyond that, as the sources do not say which builds are affected","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":0.000671,"input_tokens":4488,"output_tokens":444,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Pull Microsoft's advisory for CVE-2026-67387 to get affected builds, fixed versions and any required configuration; the NVD entry alone gives none of these.","search":"'-2026':14A,17A '-67387':15A,18A '8.8':54B 'allow':69C 'alreadi':37B 'attack':35B,72C 'author':8A,71C 'credenti':40B 'cve':13A,16A 'cvss':51B 'derefer':5A,30B,65C 'describ':58B 'elev':74C 'exact':60B 'exploit':61B 'flaw':31B 'gain':10A 'give':49B 'higher':11A 'hold':38B 'let':6A,33B 'microsoft':19B 'network':46B,78C 'path':62B 'pointer':4A,29B,64C 'privileg':12A,43B,75C 'rais':41B 'score':52B 'server':2A,23B,25B,68C 'sourc':48B 'sql':1A,22B,24B,67C 'sql-server':21B 'untrust':3A,28B,63C 'user':9A 'valid':39B","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","other","sqlserver"],"campaign_type":null,"search_a":"'-2026':14A,17A '-67387':15A,18A 'author':8A 'cve':13A,16A 'derefer':5A 'gain':10A 'higher':11A 'let':6A 'pointer':4A 'privileg':12A 'server':2A 'sql':1A 'untrust':3A 'user':9A","search_b":"'8.8':54B 'alreadi':37B 'attack':35B 'credenti':40B 'cvss':51B 'derefer':30B 'describ':58B 'exact':60B 'exploit':61B 'flaw':31B 'give':49B 'hold':38B 'let':33B 'microsoft':19B 'network':46B 'path':62B 'pointer':29B 'privileg':43B 'rais':41B 'score':52B 'server':23B,25B 'sourc':48B 'sql':22B,24B 'sql-server':21B 'untrust':28B 'valid':39B","search_c":"'allow':69C 'attack':72C 'author':71C 'derefer':65C 'elev':74C 'network':78C 'pointer':64C 'privileg':75C 'server':68C 'sql':67C 'untrust':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:18+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/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-2026-67387","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67387","severity":null,"published_at":"2026-11-10T19:21:18+00:00","modified_at":"2026-11-10T19:21:18+00:00","first_seen_at":"2026-11-10T19:25:16+00:00","fetched_at":"2026-11-10T19:25:16+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"}