{"id":"CVE-2019-0676","kind":"vulnerability","aliases":["CVE-2019-0676"],"related":[],"title":"Microsoft Internet Explorer: Microsoft Internet Explorer Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited this vulnerability could test for the presence of files on disk.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Microsoft Internet Explorer mishandles objects in memory, letting a script test whether specific files exist on the victim's disk. CISA lists it as actively exploited in the wild.","severity":"medium","cvss":6.5,"epss":0.0811,"exploited":true,"exploited_at":"2022-05-23T00:00:00+00:00","products":[{"name":"Microsoft Internet Explorer","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","internet-explorer","runtime","windows"],"not_affected_if":["internet-explorer-removed","patched-windows"],"how_to_check":null,"fix":"Apply the Microsoft security updates for Internet Explorer per vendor instructions, as CISA requires.","status":"open","published_at":"2019-03-05T23:29:02+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:16:01+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T21:16:01Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security updates for Internet Explorer per vendor instructions, as CISA requires.","reach":"internet","impact":"low","summary":"Microsoft Internet Explorer mishandles objects in memory, letting a script test whether specific files exist on the victim's disk. CISA lists it as actively exploited in the wild.","category":"runtime","who_cares":["windows","internet-explorer"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker learns which files exist on the victim's disk","analyst_note":"Confirm affected and fixed Internet Explorer builds and the patch KB from the Microsoft advisory for CVE-2019-0676; the sources give no version data.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["internet-explorer-removed","patched-windows"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000451,"input_tokens":2850,"output_tokens":331,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0676':12A,15A '-2019':11A,14A 'action':85C 'activ':49B 'appli':86C 'attack':68C 'cisa':45B,83C 'could':74C 'cve':10A,13A 'disclosur':8A,56C 'disk':44B,82C 'exist':39B,58C 'exploit':19B,50B,71C 'explor':3A,6A,22B,27B,61C 'explorer':18A 'file':38B,80C 'handl':63C 'improp':62C 'inform':7A,55C 'instruct':90C 'internet':2A,5A,17A,21B,26B,60C 'internet-explor':20B 'let':32B 'list':46B 'memori':31B,66C 'microsoft':1A,4A,16A,25B 'mishandl':28B 'object':29B,64C 'per':88C 'presenc':78C 'requir':84C 'runtim':23B 'script':34B 'specif':37B 'success':70C 'test':35B,75C 'updat':87C 'vendor':89C 'victim':42B 'vulner':9A,57C,73C 'whether':36B 'wild':53B 'window':24B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2019-03-05T23:29:02+00:00","kev":{"dateAdded":"2022-05-23","dueDate":"2022-06-13","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2019-0676","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-0676","severity":null,"published_at":"2022-05-23T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2019-0676","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-0676","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2019-0676","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0676","severity":null,"published_at":"2019-03-05T23:29:02+00:00","modified_at":"2026-06-17T02:08:40+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}