{"id":"CVE-2020-1240","aliases":["EUVD-2020-12119","GHSA-m734-gp7q-qvrx"],"status":"published","title":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails...","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.12631,"percentile":0.96276,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2020-07-14T22:54:00Z","modified":"2026-06-17T03:00:53Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise for 32-bit systems"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise for 64-bit systems"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1240","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1240"},{"url":"https://github.com/advisories/GHSA-m734-gp7q-qvrx"}],"sources":{"cve":[{"id":"CVE-2020-1240","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T22:54:00Z","modified":"2024-08-04T06:32:00.596Z","updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12119","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T22:54:00Z","modified":"2024-08-04T06:32:00Z","updated_at":"2026-11-03T03:08:14.784772Z"}],"ghsa":[{"id":"GHSA-m734-gp7q-qvrx","title":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails...","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.","status":"published","published":"2022-05-24T17:22:58Z","modified":"2023-01-29T05:03:09Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:15.626641Z"}],"nvd":[{"id":"CVE-2020-1240","description":"A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.","status":"published","published":"2020-07-14T23:15:12.137Z","modified":"2026-06-17T03:00:53.043Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}
