{"id":"CVE-2026-122985","kind":"vulnerability","aliases":["CVE-2026-122985"],"related":[],"title":"Microsoft PowerShell: XML external entity flaw lets attackers read information over network","description":"Improper restriction of xml external entity reference in Microsoft PowerShell allows an unauthorized attacker to disclose information over a network.","summary":"Microsoft PowerShell fails to restrict XML external entity references, which lets an unauthorized attacker disclose information over a network. The sources give a CVSS score of 6.1 and no details on which PowerShell feature or version is affected.","severity":"medium","cvss":6.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["powershell","runtime","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:38+00:00","first_seen_at":"2026-11-10T19:25:11+00:00","triaged_at":"2026-11-10T19:58:29+00:00","updated_at":"2026-11-10T19:58:29+00:00","category":"runtime","confidence":0.5,"triage":{"at":"2026-11-10T19:58:29Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft PowerShell: XML external entity flaw lets attackers read information over network","impact":"low","summary":"Microsoft PowerShell fails to restrict XML external entity references, which lets an unauthorized attacker disclose information over a network. The sources give a CVSS score of 6.1 and no details on which PowerShell feature or version is affected.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["powershell","windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unauthorized attacker reads information over the network","analyst_note":"Find the affected PowerShell versions and Microsoft's advisory for CVE-2026-122985 to state how_to_check and fix; the NVD record alone gives no product ranges.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000648,"input_tokens":4499,"output_tokens":397,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-122985':15A,18A '-2026':14A,17A '6.1':48B 'affect':59B 'allow':70C 'attack':8A,35B,73C 'cve':13A,16A 'cvss':45B 'detail':51B 'disclos':36B,75C 'entiti':5A,29B,65C 'extern':4A,28B,64C 'fail':24B 'featur':55B 'flaw':6A 'give':43B 'improp':60C 'inform':10A,37B,76C 'let':7A,32B 'microsoft':1A,22B,68C 'network':12A,40B,79C 'powershel':2A,19B,23B,54B,69C 'read':9A 'refer':30B,66C 'restrict':26B,61C 'runtim':20B 'score':46B 'sourc':42B 'unauthor':34B,72C 'version':57B 'window':21B 'xml':3A,27B,63C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","powershell","runtime","windows"],"campaign_type":null,"search_a":"'-122985':15A,18A '-2026':14A,17A 'attack':8A 'cve':13A,16A 'entiti':5A 'extern':4A 'flaw':6A 'inform':10A 'let':7A 'microsoft':1A 'network':12A 'powershel':2A 'read':9A 'xml':3A","search_b":"'6.1':48B 'affect':59B 'attack':35B 'cvss':45B 'detail':51B 'disclos':36B 'entiti':29B 'extern':28B 'fail':24B 'featur':55B 'give':43B 'inform':37B 'let':32B 'microsoft':22B 'network':40B 'powershel':19B,23B,54B 'refer':30B 'restrict':26B 'runtim':20B 'score':46B 'sourc':42B 'unauthor':34B 'version':57B 'window':21B 'xml':27B","search_c":"'allow':70C 'attack':73C 'disclos':75C 'entiti':65C 'extern':64C 'improp':60C 'inform':76C 'microsoft':68C 'network':79C 'powershel':69C 'refer':66C 'restrict':61C 'unauthor':72C 'xml':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:38+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-122985","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122985","severity":null,"published_at":"2026-11-10T19:20:38+00:00","modified_at":"2026-11-10T19:20:38+00:00","first_seen_at":"2026-11-10T19:25:11+00:00","fetched_at":"2026-11-10T19:25:11+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"}