{"id":"CVE-2020-1224","aliases":["EUVD-2020-12103","GHSA-rh7x-98m6-6q46"],"status":"published","title":"Microsoft Excel Information Disclosure Vulnerability","description":"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Excel 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.\u003c/p\u003e\n\u003cp\u003eTo 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.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.\u003c/p\u003e","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/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.04352,"percentile":0.91311,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-09-11T17:09:08Z","modified":"2026-06-17T03:00:50Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft excel 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft excel 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft excel 2016"},{"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 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2013 service pack 1"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_online_server"},{"vendor":"microsoft","product":"office_web_apps"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1224","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1224"},{"url":"https://github.com/advisories/GHSA-rh7x-98m6-6q46"}],"sources":{"cve":[{"id":"CVE-2020-1224","title":"Microsoft Excel Information Disclosure Vulnerability","description":"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Excel 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.\u003c/p\u003e\n\u003cp\u003eTo 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.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:08Z","modified":"2024-08-04T06:31:59.956Z","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/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12103","description":"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Excel 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.\u003c/p\u003e\n\u003cp\u003eTo 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.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:08Z","modified":"2024-08-04T06:31:59Z","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/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:08:15.605178Z"}],"ghsa":[{"id":"GHSA-rh7x-98m6-6q46","title":"An information disclosure vulnerability exists when Microsoft Excel improperly discloses the...","description":"An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka 'Microsoft Excel Information Disclosure Vulnerability'.","status":"published","published":"2022-05-24T17:28:00Z","modified":"2024-01-01T00:30:41Z","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":"2026-11-02T14:55:19.223338Z"}],"nvd":[{"id":"CVE-2020-1224","description":"\u003cp\u003eAn information disclosure vulnerability exists when Microsoft Excel 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.\u003c/p\u003e\n\u003cp\u003eTo 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.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.\u003c/p\u003e","status":"published","published":"2020-09-11T17:15:19.76Z","modified":"2026-06-17T03:00:50.673Z","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":"secondary"},{"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":"secondary"},{"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":"2026-11-02T14:06:14.981587Z"}]}}