{"id":"CVE-2026-110633","state":"PUBLISHED","title":"MyReport Updater through 2.1.1 Local Privilege Escalation via Updater Service","description":"MyReport Updater through 2.1.1 contains a local privilege escalation vulnerability that allows low-privileged users to make the SYSTEM updater service install attacker-supplied archives into arbitrary directories. Attackers can use UpdaterManager.exe over gRPC to set a malicious reference server and installLocation, planting a DLL like HID.dll loaded by osk.exe to gain SYSTEM privileges.","publishedAt":"2026-10-14T14:17:06.454Z","updatedAt":"2026-10-14T14:17:06.454Z","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":"VulnCheck"},"assigner":"VulnCheck","products":["Report One MyReport Updater"],"affected":[{"vendor":"Report One","product":"MyReport Updater","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.1","versionType":"semver"}]}],"references":["https://blog.quarkslab.com/myreport-updater-from-grpc-to-system.html","https://www.myreport.fr/myreport/","https://www.vulncheck.com/advisories/myreport-updater-through-2.1.1-local-privilege-escalation-via-updater-service"],"weaknesses":["CWE-269"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110633.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110633","state":"PUBLISHED","datePublished":"2026-10-14T14:17:06.454Z","dateUpdated":"2026-10-14T14:17:06.454Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T13:07:31.103Z"},"containers":{"cna":{"title":"MyReport Updater through 2.1.1 Local Privilege Escalation via Updater Service","descriptions":[{"lang":"en","value":"MyReport Updater through 2.1.1 contains a local privilege escalation vulnerability that allows low-privileged users to make the SYSTEM updater service install attacker-supplied archives into arbitrary directories. Attackers can use UpdaterManager.exe over gRPC to set a malicious reference server and installLocation, planting a DLL like HID.dll loaded by osk.exe to gain SYSTEM privileges."}],"affected":[{"vendor":"Report One","product":"MyReport Updater","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.1","versionType":"semver"}]}],"references":[{"url":"https://blog.quarkslab.com/myreport-updater-from-grpc-to-system.html","tags":["third-party-advisory","technical-description","exploit"]},{"url":"https://www.myreport.fr/myreport/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/myreport-updater-through-2.1.1-local-privilege-escalation-via-updater-service","name":"VulnCheck Advisory: MyReport Updater through 2.1.1 Local Privilege Escalation via Updater Service","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"Improper Privilege Management","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-14T14:17:06.454Z"},"datePublic":"2026-10-13T00:00:00.000Z","credits":[{"lang":"en","value":"Lucas Laise of Quarkslab","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}