{"id":"CVE-2026-95882","kind":"vulnerability","aliases":["CVE-2026-95882"],"related":[],"title":"Windows DirectMusic: stack overflow lets a network attacker run code","description":"Stack-based buffer overflow in Windows Microsoft DirectMusic allows an unauthorized attacker to execute code over a network.","summary":"A stack-based buffer overflow in Microsoft DirectMusic on Windows lets an unauthorized attacker run code over the network. The NVD entry rates it critical with a CVSS score of 9.8.","severity":"critical","cvss":9.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft DirectMusic","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["directmusic","runtime","windows"],"not_affected_if":[],"how_to_check":"unknown: MSRC advisory for CVE-2026-95882 not readable yet. Check the Security Update Guide entry for affected Windows builds, and confirm the latest cumulative update is installed.","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":"2026-11-10T19:25:33+00:00","updated_at":"2026-11-10T19:27:02+00:00","category":"runtime","confidence":0.3,"triage":{"at":"2026-11-10T19:25:33Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows DirectMusic: stack overflow lets a network attacker run code","impact":"high","summary":"A stack-based buffer overflow in Microsoft DirectMusic on Windows lets an unauthorized attacker run code over the network. The NVD entry rates it critical with a CVSS score of 9.8.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["windows","directmusic"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs arbitrary code on the Windows machine over the network","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-95882 for affected Windows builds, the patch, and whether a user must open something.","how_to_check":"- unknown","plain_action":"","product_name":"Microsoft DirectMusic","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Windows systems with the DirectMusic component are the affected surface; the sources do not say which Windows versions or configurations are exposed. unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.00067,"input_tokens":4505,"output_tokens":439,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-95882 for affected Windows builds, the patch, and whether a user must open something.","search":"'-2026':12A,15A '-95882':13A,16A '9.8':53B 'allow':63C 'attack':8A,36B,66C 'base':25B,56C 'buffer':26B,57C 'code':10A,38B,69C 'critic':47B 'cve':11A,14A 'cvss':50B 'directmus':2A,19B,30B,62C 'directmusic':18A 'entri':44B 'execut':68C 'let':5A,33B 'microsoft':17A,29B,61C 'network':7A,41B,72C 'nvd':43B 'overflow':4A,27B,58C 'rate':45B 'run':9A,37B 'runtim':20B 'score':51B 'stack':3A,24B,55C 'stack-bas':23B,54C 'unauthor':35B,65C 'window':1A,21B,32B,60C","nicknames":[],"mitigations":[],"who_affected":"Windows systems with the DirectMusic component are the affected surface; the sources do not say which Windows versions or configurations are exposed. unknown","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"everyone","plain_action":null,"pkeys":["directmusic","microsoftdirectmusic"],"ptokens":["directmusic","microsoft"],"labels":["critical","directmusic","runtime","vendor","windows"],"campaign_type":null,"search_a":"'-2026':12A,15A '-95882':13A,16A 'attack':8A 'code':10A 'cve':11A,14A 'directmus':2A 'directmusic':18A 'let':5A 'microsoft':17A 'network':7A 'overflow':4A 'run':9A 'stack':3A 'window':1A","search_b":"'9.8':53B 'attack':36B 'base':25B 'buffer':26B 'code':38B 'critic':47B 'cvss':50B 'directmus':19B,30B 'entri':44B 'let':33B 'microsoft':29B 'network':41B 'nvd':43B 'overflow':27B 'rate':45B 'run':37B 'runtim':20B 'score':51B 'stack':24B 'stack-bas':23B 'unauthor':35B 'window':21B,32B","search_c":"'allow':63C 'attack':66C 'base':56C 'buffer':57C 'code':69C 'directmus':62C 'execut':68C 'microsoft':61C 'network':72C 'overflow':58C 'stack':55C 'stack-bas':54C 'unauthor':65C '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:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-95882","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95882","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},{"source":"analyst","external_id":"CVE-2026-95882:2506","url":null,"severity":null,"published_at":"2026-11-10T19:27:02+00:00","modified_at":"2026-11-10T19:27:02+00:00","first_seen_at":"2026-11-10T19:27:02+00:00","fetched_at":"2026-11-10T19:27:02+00:00","note":"Could not read MSRC or NVD page for this id (empty fetches; searches only return sibling CVE-2026-69491, a different heap overflow). No builds, patch or user-interaction detail confirmed; nothing verified. Revisit when MSRC page is indexed."}],"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"}