{"id":"CVE-2026-90729","kind":"vulnerability","aliases":["CVE-2026-90729"],"related":[],"title":"Dell PowerProtect Data Domain: privilege management flaw lets admins escalate rights","description":"Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.7, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Privilege Management vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.","summary":"Several Dell PowerProtect Data Domain release lines contain an improper privilege management flaw. A high-privileged attacker with remote access could potentially escalate their privileges on the appliance.","severity":"medium","cvss":6.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["backup-appliance","data-domain","dell","infrastructure","powerprotect","self-hosted"],"not_affected_if":["no-remote-access","unaffected-release"],"how_to_check":"- Check the installed Data Domain OS version against the affected ranges in the Dell advisory (Feature Release 7.7.1.0 through 8.7; LTS2024 7.13.1.0 through 7.13.1.80; LTS2025 8.3.1.0 through 8.3.1.40; LTS2026 8.6.1.0 through 8.6.1.20)\n- Review which accounts hold high privileges on the appliance and who can reach its management interface remotely","fix":"- Move to a Data Domain OS release outside the affected ranges, as listed in the Dell security advisory (version numbers not stated in the sources)\n- Limit remote management access to the appliance to trusted networks","status":"open","published_at":"2026-10-27T12:17:08+00:00","first_seen_at":"2026-10-27T12:31:38+00:00","triaged_at":"2026-10-27T12:32:06+00:00","updated_at":"2026-10-27T12:32:06+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-27T12:32:06Z","model":"claude-haiku-5-5","output":{"fix":"- Move to a Data Domain OS release outside the affected ranges, as listed in the Dell security advisory (version numbers not stated in the sources)\n- Limit remote management access to the appliance to trusted networks","reach":"network","title":"Dell PowerProtect Data Domain: privilege management flaw lets admins escalate rights","impact":"medium","summary":"Several Dell PowerProtect Data Domain release lines contain an improper privilege management flaw. A high-privileged attacker with remote access could potentially escalate their privileges on the appliance.","category":"infrastructure","nicknames":[],"who_cares":["dell","powerprotect","data-domain","backup-appliance","self-hosted"],"confidence":0.7,"needs_auth":"yes","worst_case":"A privileged user gains higher privileges on the appliance.","analyst_note":"Check the Dell security advisory for the fixed version numbers and whether remote access is required, since the sources only give the affected ranges.","how_to_check":"- Check the installed Data Domain OS version against the affected ranges in the Dell advisory (Feature Release 7.7.1.0 through 8.7; LTS2024 7.13.1.0 through 7.13.1.80; LTS2025 8.3.1.0 through 8.3.1.40; LTS2026 8.6.1.0 through 8.6.1.20)\n- Review which accounts hold high privileges on the appliance and who can reach its management interface remotely","needs_analyst":true,"not_affected_if":["unaffected-release","no-remote-access"],"who_is_affected":"Teams running Dell PowerProtect Data Domain appliances on one of the affected release lines, where remote management is reachable. Exploitation requires an attacker who already holds high privileges, so the risk sits mainly with the admin accounts on those systems. Sites on releases outside the listed ranges can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00068,"input_tokens":3412,"output_tokens":677,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-90729':14A,17A '7.13.1.0':72C '7.13.1.80':74C '7.7.1.0':66C '8.3.1.0':78C '8.3.1.40':80C '8.6.1.0':84C '8.6.1.20':86C '8.7':68C 'access':50B,99C 'admin':9A 'applianc':20B,58B 'attack':47B,96C 'backup':19B 'backup-appli':18B 'contain':37B,87C 'could':51B,100C 'cve':12A,15A 'data':3A,22B,33B,61C 'data-domain':21B 'dell':1A,24B,31B,59C 'domain':4A,23B,34B,62C 'elev':107C 'escal':10A,53B 'exploit':102C 'featur':63C 'flaw':7A,42B 'high':45B,94C 'high-privileg':44B 'host':29B 'improp':39B,89C 'infrastructur':25B 'lead':105C 'let':8A 'line':36B 'lts2024':69C 'lts2025':75C 'lts2026':81C 'manag':6A,41B,91C 'potenti':52B,101C 'powerprotect':2A,26B,32B,60C 'privileg':5A,40B,46B,55B,90C,95C,109C 'releas':35B,64C,70C,76C,82C 'remot':49B,98C 'right':11A 'self':28B 'self-host':27B 'sever':30B 'version':65C,71C,77C,83C 'vulner':92C,104C","nicknames":[],"mitigations":[],"who_affected":"Teams running Dell PowerProtect Data Domain appliances on one of the affected release lines, where remote management is reachable. Exploitation requires an attacker who already holds high privileges, so the risk sits mainly with the admin accounts on those systems. Sites on releases outside the listed ranges can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T12:17:08+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","cvss_by":"security_alert@emc.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-90729","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90729","severity":null,"published_at":"2026-10-27T12:17:08+00:00","modified_at":"2026-10-27T12:17:08+00:00","first_seen_at":"2026-10-27T12:31:38+00:00","fetched_at":"2026-10-27T12:31:38+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}