{"id":"CVE-2026-96993","kind":"vulnerability","aliases":["CVE-2026-96993"],"related":[],"title":"Windows Performance Monitor: invalid pointer release lets attackers run code remotely","description":"Release of invalid pointer or reference in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.","summary":"Windows Performance Monitor releases an invalid pointer or reference, a memory-safety bug. An unauthorized attacker can execute code over the network.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Performance Monitor","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","performance-monitor","windows"],"not_affected_if":[],"how_to_check":"Unknown until the Microsoft Security Update Guide entry for CVE-2026-96993 is readable. Check it for affected Windows builds and KB numbers, then compare your build (winver) against the fixed build.","fix":null,"status":"open","published_at":"2026-11-10T19:22:22+00:00","first_seen_at":"2026-11-10T19:25:34+00:00","triaged_at":"2026-11-10T19:42:48+00:00","updated_at":"2026-11-10T19:44:13+00:00","category":"infrastructure","confidence":0.2,"triage":{"at":"2026-11-10T19:42:48Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Performance Monitor: invalid pointer release lets attackers run code remotely","impact":"high","summary":"Windows Performance Monitor releases an invalid pointer or reference, a memory-safety bug. An unauthorized attacker can execute code over the network.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","performance-monitor"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs code on the Windows machine over the network","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-96993 for affected Windows builds, fixed updates and any required configuration.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Performance Monitor","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000638,"input_tokens":4495,"output_tokens":378,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-96993 for affected Windows builds, fixed updates and any required configuration.","search":"'-2026':13A,16A '-96993':14A,17A 'allow':59C 'attack':8A,42B,62C 'bug':39B 'code':10A,45B,65C 'cve':12A,15A 'execut':44B,64C 'infrastructur':21B 'invalid':4A,31B,51C 'let':7A 'memori':37B 'memory-safeti':36B 'monitor':3A,20A,24B,28B,58C 'network':48B,68C 'perform':2A,23B,27B,57C 'performance':19A 'performance-monitor':22B 'pointer':5A,32B,52C 'refer':34B,54C 'releas':6A,29B,49C 'remot':11A 'run':9A 'safeti':38B 'unauthor':41B,61C 'window':1A,25B,26B,56C 'windows':18A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["performancemonitor","windowsperformancemonitor"],"ptokens":["monitor","performance","windows"],"labels":["high","infrastructure","performancemonitor","vendor","windows"],"campaign_type":null,"search_a":"'-2026':13A,16A '-96993':14A,17A 'attack':8A 'code':10A 'cve':12A,15A 'invalid':4A 'let':7A 'monitor':3A,20A 'perform':2A 'performance':19A 'pointer':5A 'releas':6A 'remot':11A 'run':9A 'window':1A 'windows':18A","search_b":"'attack':42B 'bug':39B 'code':45B 'execut':44B 'infrastructur':21B 'invalid':31B 'memori':37B 'memory-safeti':36B 'monitor':24B,28B 'network':48B 'perform':23B,27B 'performance-monitor':22B 'pointer':32B 'refer':34B 'releas':29B 'safeti':38B 'unauthor':41B 'window':25B,26B","search_c":"'allow':59C 'attack':62C 'code':65C 'execut':64C 'invalid':51C 'monitor':58C 'network':68C 'perform':57C 'pointer':52C 'refer':54C 'releas':49C 'unauthor':61C 'window':56C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:22+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-96993","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96993","severity":null,"published_at":"2026-11-10T19:22:22+00:00","modified_at":"2026-11-10T19:22:22+00:00","first_seen_at":"2026-11-10T19:25:34+00:00","fetched_at":"2026-11-10T19:25:34+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96993:2542","url":null,"severity":null,"published_at":"2026-11-10T19:44:13+00:00","modified_at":"2026-11-10T19:44:13+00:00","first_seen_at":"2026-11-10T19:44:13+00:00","fetched_at":"2026-11-10T19:44:13+00:00","note":"Could not read MSRC page (empty via web-cli) or NVD (empty body); searches found no page for this id (only sibling Perf Monitor CVE-2026-69324, a local EoP, different bug). No affected builds, KBs or fixes confirmed; left unknown. Needs MSRC entry text to settle. Nothing verified."}],"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"}