{"id":"CVE-2022-26503","aliases":["EUVD-2022-31061","GHSA-fx7m-48gf-38cm"],"status":"published","title":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x...","description":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0069,"percentile":0.53132,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2022-03-17T16:11:34Z","modified":"2026-06-17T04:35:18Z","exploits":[{"source":"pocgithub","id":"sinsinology/CVE-2022-26503","title":"sinsinology/CVE-2022-26503","date":"2022-03-16","url":"https://github.com/sinsinology/CVE-2022-26503"}],"products":[{"vendor":"veeam","product":"veeam"}],"references":[{"url":"https://veeam.com","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.veeam.com/kb4289","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26503"},{"url":"https://github.com/advisories/GHSA-fx7m-48gf-38cm"}],"sources":{"cve":[{"id":"CVE-2022-26503","description":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.","status":"published","published":"2022-03-17T16:11:34Z","modified":"2024-08-03T05:03:32.846Z","updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-31061","description":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.","status":"published","published":"2022-03-17T16:11:34Z","modified":"2024-08-03T05:03:32Z","updated_at":"2026-11-03T03:25:44.694159Z"}],"ghsa":[{"id":"GHSA-fx7m-48gf-38cm","title":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x...","description":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.","status":"published","published":"2022-03-18T00:01:09Z","modified":"2023-01-27T05:00:57Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:41:46.892672Z"}],"nvd":[{"id":"CVE-2022-26503","description":"Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges.","status":"published","published":"2022-03-17T17:15:07.597Z","modified":"2026-06-17T04:35:18.883Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:07:14.24948Z"}]}}