{"id":"CVE-2026-121662","kind":"vulnerability","aliases":["CVE-2026-121662"],"related":[],"title":"Visual Studio Code: command injection lets an attacker run code locally","description":"Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code allows an unauthorized attacker to execute code locally.","summary":"Visual Studio Code mishandles special characters in a command, letting an unauthorized attacker execute code on the machine. The sources give a CVSS score of 8.6 but no affected or fixed versions.","severity":"high","cvss":8.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["linux","macos","other","vscode","windows"],"not_affected_if":[],"how_to_check":"- Check the installed Visual Studio Code version under Help > About and compare it with the vendor advisory.","fix":null,"status":"open","published_at":"2026-11-10T19:20:29+00:00","first_seen_at":"2026-11-10T19:25:08+00:00","triaged_at":"2026-11-10T19:34:21+00:00","updated_at":"2026-11-10T19:34:21+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:34:21Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Visual Studio Code: command injection lets an attacker run code locally","impact":"high","summary":"Visual Studio Code mishandles special characters in a command, letting an unauthorized attacker execute code on the machine. The sources give a CVSS score of 8.6 but no affected or fixed versions.","audience":"developers","category":"other","nicknames":[],"who_cares":["vscode","windows","macos","linux"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker executes code on the local machine","analyst_note":"Find the affected and fixed Visual Studio Code versions and whether user interaction is needed, from the vendor advisory or the NVD entry.","how_to_check":"- Check the installed Visual Studio Code version under Help > About and compare it with the vendor advisory.\n- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Developers who run Visual Studio Code on a local machine are the likely exposure, since the flaw is described as local code execution. The sources do not name the affected versions or configuration, so unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000671,"input_tokens":4497,"output_tokens":442,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the affected and fixed Visual Studio Code versions and whether user interaction is needed, from the vendor advisory or the NVD entry.","search":"'-121662':14A,17A '-2026':13A,16A '8.6':48B 'affect':51B 'allow':70C 'attack':8A,35B,73C 'charact':28B 'code':3A,10A,25B,37B,69C,76C 'command':4A,31B,63C,64C 'cve':12A,15A 'cvss':45B 'element':59C 'execut':36B,75C 'fix':53B 'give':43B 'improp':55C 'inject':5A,65C 'let':6A,32B 'linux':18B 'local':11A,77C 'machin':40B 'maco':19B 'mishandl':26B 'neutral':56C 'run':9A 'score':46B 'sourc':42B 'special':27B,58C 'studio':2A,24B,68C 'unauthor':34B,72C 'use':60C 'version':54B 'visual':1A,23B,67C 'vscode':21B 'window':22B","nicknames":[],"mitigations":[],"who_affected":"Developers who run Visual Studio Code on a local machine are the likely exposure, since the flaw is described as local code execution. The sources do not name the affected versions or configuration, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","linux","macos","other","vscode","windows"],"campaign_type":null,"search_a":"'-121662':14A,17A '-2026':13A,16A 'attack':8A 'code':3A,10A 'command':4A 'cve':12A,15A 'inject':5A 'let':6A 'local':11A 'run':9A 'studio':2A 'visual':1A","search_b":"'8.6':48B 'affect':51B 'attack':35B 'charact':28B 'code':25B,37B 'command':31B 'cvss':45B 'execut':36B 'fix':53B 'give':43B 'let':32B 'linux':18B 'machin':40B 'maco':19B 'mishandl':26B 'score':46B 'sourc':42B 'special':27B 'studio':24B 'unauthor':34B 'version':54B 'visual':23B 'vscode':21B 'window':22B","search_c":"'allow':70C 'attack':73C 'code':69C,76C 'command':63C,64C 'element':59C 'execut':75C 'improp':55C 'inject':65C 'local':77C 'neutral':56C 'special':58C 'studio':68C 'unauthor':72C 'use':60C 'visual':67C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:29+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121662","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121662","severity":null,"published_at":"2026-11-10T19:20:29+00:00","modified_at":"2026-11-10T19:20:29+00:00","first_seen_at":"2026-11-10T19:25:08+00:00","fetched_at":"2026-11-10T19:25:08+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"}