{"cve_id":"CVE-2014-1776","published":"2014-04-27T10:55:03.340000+00:00","last_modified":"2026-06-17T00:05:32.593000+00:00","vuln_status":"Analyzed","description":"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\"","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-416"],"in_kev":true,"kev_date_added":"2022-01-28","kev_ransomware":false,"epss_score":0.82682,"epss_percentile":0.99667,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:16:21.300604+00:00","first_seen":"2014-04-27T10:55:03.340000+00:00","kev_first_seen":"2022-01-28T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["internet_explorer","windows_7","windows_8","windows_8.1","windows_rt","windows_rt_8.1","windows_server_2003","windows_server_2008","windows_server_2012","windows_vista","windows_xp"],"affected":[{"vendor":"microsoft","product":"internet_explorer","ranges":["6","7","8","9","10","11"]}]}