{"id":"CVE-2026-55944","aliases":["EUVD-2026-44229","GHSA-rvmx-r962-429w"],"status":"published","title":"Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01532,"percentile":0.74969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2026-07-14T17:09:10Z","modified":"2026-11-01T17:36:42Z","exploits":[{"source":"pocgithub","id":"kipkorirchirchir800-hash/Cve-2026-55944","title":"kipkorirchirchir800-hash/Cve-2026-55944","date":"2026-10-27","url":"https://github.com/kipkorirchirchir800-hash/Cve-2026-55944"}],"products":[{"vendor":"microsoft","product":"dynamics_nav"},{"vendor":"microsoft","product":"microsoft dynamics nav 2018"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55944","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55944"},{"url":"https://github.com/advisories/GHSA-rvmx-r962-429w"}],"sources":{"cve":[{"id":"CVE-2026-55944","title":"Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T17:09:10.942Z","modified":"2026-11-01T17:36:42.625Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-44229","description":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T17:09:10Z","modified":"2026-11-01T17:36:42Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T16:58:47.432726Z"}],"ghsa":[{"id":"GHSA-rvmx-r962-429w","title":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to...","description":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T18:32:36Z","modified":"2026-07-14T18:32:43Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:09:30.715875Z"}],"nvd":[{"id":"CVE-2026-55944","description":"Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T18:18:21.85Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}