{"id":"CVE-2026-47830","aliases":["EUVD-2026-42516","GHSA-v8gm-j274-p577"],"status":"published","title":"Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite","description":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\\bosh\\service_wrapper.exe or C:\\bosh\\bosh-agent.exe and gain NT AUTHORITY\\SYSTEM on the next service restart or reboot. This can lead to full host control.\nAffected versions: bosh-windows-stemcell-builder versions prior to v2019.98.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00148,"percentile":0.04012,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-07-09T06:25:58Z","modified":"2026-10-25T17:10:00Z","products":[{"vendor":"cloud foundry foundation","product":"bosh-windows-stemcell-builder"}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2026-47830-incorrect-permission-assignment-allows-local-privilege-escalation-to-system-via-executable-overwrite/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47830"},{"url":"https://www.cloudfoundry.org/blog/cve-2026-47830-incorrect-permission-assignment-allows-local-privilege-escalation-to-system-via-executable-overwrite"},{"url":"https://github.com/advisories/GHSA-v8gm-j274-p577"}],"sources":{"cve":[{"id":"CVE-2026-47830","title":"Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite","description":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\\bosh\\service_wrapper.exe or C:\\bosh\\bosh-agent.exe and gain NT AUTHORITY\\SYSTEM on the next service restart or reboot. This can lead to full host control.\nAffected versions: bosh-windows-stemcell-builder versions prior to v2019.98.","status":"published","published":"2026-07-09T06:25:58.095Z","modified":"2026-07-09T12:49:41.047Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-42516","description":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\\bosh\\service_wrapper.exe or C:\\bosh\\bosh-agent.exe and gain NT AUTHORITY\\SYSTEM on the next service restart or reboot. This can lead to full host control.\nAffected versions: bosh-windows-stemcell-builder versions prior to v2019.98.","status":"published","published":"2026-07-09T06:25:58Z","modified":"2026-07-09T12:49:41Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:04.895477Z"}],"ghsa":[{"id":"GHSA-v8gm-j274-p577","title":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell...","description":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\\bosh\\service_wrapper.exe or C:\\bosh\\bosh-agent.exe and gain NT AUTHORITY\\SYSTEM on the next service restart or reboot. This can lead to full host control.\nAffected versions: bosh-windows-stemcell-builder versions prior to v2019.98.","status":"published","published":"2026-07-09T09:30:28Z","modified":"2026-07-09T09:30:35Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:09:20.981798Z"}],"nvd":[{"id":"CVE-2026-47830","description":"Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\\bosh\\service_wrapper.exe or C:\\bosh\\bosh-agent.exe and gain NT AUTHORITY\\SYSTEM on the next service restart or reboot. This can lead to full host control.\nAffected versions: bosh-windows-stemcell-builder versions prior to v2019.98.","status":"published","published":"2026-07-09T07:16:24.28Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:12:28.4135Z"}]}}