{"id":"CVE-2023-33158","aliases":["EUVD-2023-37343","GHSA-pmx4-269h-h3v6"],"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Microsoft Excel Remote Code Execution Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00625,"percentile":0.50274,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2023-07-11T17:03:09Z","modified":"2026-06-17T06:01:10Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 2019 for mac"},{"vendor":"microsoft","product":"microsoft office for universal"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33158","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33158"},{"url":"https://github.com/advisories/GHSA-pmx4-269h-h3v6"}],"sources":{"cve":[{"id":"CVE-2023-33158","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T17:03:09.129Z","modified":"2025-02-28T21:07:30.817Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-37343","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T17:03:09Z","modified":"2025-02-28T21:07:30Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:53:19.078289Z"}],"ghsa":[{"id":"GHSA-pmx4-269h-h3v6","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T18:31:25Z","modified":"2024-04-04T05:58:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:37.597078Z"}],"nvd":[{"id":"CVE-2023-33158","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2023-07-11T18:15:14.97Z","modified":"2026-06-17T06:01:10.857Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:08:15.91037Z"}]}}