{"id":"CVE-2026-108423","kind":"vulnerability","aliases":["CVE-2026-108423"],"related":[],"title":"Out-of-bounds read in Windows WinHTTP allows an authorized attacker to disclose information locally","description":"Out-of-bounds read in Windows WinHTTP allows an authorized attacker to disclose information locally.","summary":null,"severity":"medium","cvss":4.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":[],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:13+00:00","first_seen_at":"2026-11-10T19:24:23+00:00","triaged_at":null,"updated_at":"2026-11-10T19:39:25+00:00","category":null,"confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'-108423':19A,22A '-2026':18A,21A 'allow':9A,31C 'attack':12A,34C 'author':11A,33C 'bound':4A,26C 'cve':17A,20A 'disclos':14A,36C 'inform':15A,37C 'local':16A,38C 'out-of-bound':1A,23C 'read':5A,27C 'window':7A,29C 'winhttp':8A,30C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium"],"campaign_type":null,"search_a":"'-108423':19A,22A '-2026':18A,21A 'allow':9A 'attack':12A 'author':11A 'bound':4A 'cve':17A,20A 'disclos':14A 'inform':15A 'local':16A 'out-of-bound':1A 'read':5A 'window':7A 'winhttp':8A","search_b":"","search_c":"'allow':31C 'attack':34C 'author':33C 'bound':26C 'disclos':36C 'inform':37C 'local':38C 'out-of-bound':23C 'read':27C 'window':29C 'winhttp':30C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:13+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-108423","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108423","severity":null,"published_at":"2026-11-10T19:18:13+00:00","modified_at":"2026-11-10T19:18:13+00:00","first_seen_at":"2026-11-10T19:24:23+00:00","fetched_at":"2026-11-10T19:24:23+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"}