{"id":"CVE-2020-1503","aliases":["EUVD-2020-12377","GHSA-vfx9-2vhh-x45q"],"status":"published","title":"Microsoft Word Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.\nTo exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.\nThe update addresses the vulnerability by changing the way certain Word functions handle objects in memory.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04553,"percentile":0.91654,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-08-17T19:13:18Z","modified":"2026-06-17T03:01:34Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft office 2016 for mac"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft office 2019 for mac"},{"vendor":"microsoft","product":"microsoft office online server"},{"vendor":"microsoft","product":"microsoft office web apps 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft office web apps 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2016"},{"vendor":"microsoft","product":"microsoft sharepoint server 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"microsoft word 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft word 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft word 2016"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_online_server"},{"vendor":"microsoft","product":"office_web_apps"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_server"},{"vendor":"microsoft","product":"word"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1503","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1503"},{"url":"https://github.com/advisories/GHSA-vfx9-2vhh-x45q"}],"sources":{"cve":[{"id":"CVE-2020-1503","title":"Microsoft Word Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.\nTo exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.\nThe update addresses the vulnerability by changing the way certain Word functions handle objects in memory.","status":"published","published":"2020-08-17T19:13:18Z","modified":"2024-08-04T06:39:10.374Z","updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-12377","description":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.\nTo exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.\nThe update addresses the vulnerability by changing the way certain Word functions handle objects in memory.","status":"published","published":"2020-08-17T19:13:18Z","modified":"2024-08-04T06:39:10Z","updated_at":"2026-11-03T03:08:12.895997Z"}],"ghsa":[{"id":"GHSA-vfx9-2vhh-x45q","title":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the...","description":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory, aka 'Microsoft Word Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1502, CVE-2020-1583.","status":"published","published":"2022-05-24T17:25:50Z","modified":"2024-01-04T03:30:34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:55:19.778382Z"}],"nvd":[{"id":"CVE-2020-1503","description":"An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.\nTo exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.\nThe update addresses the vulnerability by changing the way certain Word functions handle objects in memory.","status":"published","published":"2020-08-17T19:15:16.817Z","modified":"2026-06-17T03:01:34.97Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}