{"id":"CVE-2026-47830","state":"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.","publishedAt":"2026-07-09T06:25:58.095Z","updatedAt":"2026-07-09T12:49:41.047Z","severity":{"score":8.5,"label":"High","version":"4.0","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","source":"vmware"},"assigner":"vmware","products":["Cloud Foundry Foundation bosh-windows-stemcell-builder"],"affected":[{"vendor":"Cloud Foundry Foundation","product":"bosh-windows-stemcell-builder","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2019.98","versionType":"custom"}]}],"references":["https://www.cloudfoundry.org/blog/cve-2026-47830-incorrect-permission-assignment-allows-local-privilege-escalation-to-system-via-executable-overwrite/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47830.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47830","state":"PUBLISHED","datePublished":"2026-07-09T06:25:58.095Z","dateUpdated":"2026-07-09T12:49:41.047Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-05-20T10:00:48.931Z"},"containers":{"cna":{"title":"Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Cloud Foundry Foundation","product":"bosh-windows-stemcell-builder","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2019.98","versionType":"custom"}]}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2026-47830-incorrect-permission-assignment-allows-local-privilege-escalation-to-system-via-executable-overwrite/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.5,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-07-09T06:25:58.095Z"},"impacts":[{"descriptions":[{"lang":"en","value":"Local privilege escalation to NT AUTHORITY\\SYSTEM via executable overwrite, leading to full host control."}]}],"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T12:49:32.174209Z","id":"CVE-2026-47830","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T12:49:41.047Z"}}]}}}