{"id":"CVE-2026-86397","published":"2026-10-28T09:17:07Z","modified":"2026-10-30T18:18:14Z","title":"Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through…","vendor":"Dell","product":"PowerProtect Data Domain","tier":"core","eol":null,"description":{"text":"Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, 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 Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to privileged account creation. This is a critical severity vulnerability as it allows an attacker to take complete control of the system. Dell recommends customers to upgrade at the earliest opportunity.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an improper authentication weakness in Dell PowerProtect Data Domain, affecting its Feature Release and LTS2024, LTS2025 and LTS2026 release lines. An unauthenticated attacker with remote network access and no user interaction could exploit it to create a privileged account on the system.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:25:09Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00336,"percentile":0.27057,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":3,"pulses":[{"name":"Known_Cve | Oct 31, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6ae4af06a3790b65a9afe87a","created":"2026-10-30"},{"name":"Known_Cve | Oct 30, 2026 | Part 2/2","url":"https://otx.alienvault.com/pulse/6ae35d945cba1d70e2bf3a79","created":"2026-10-29"},{"name":"Known_Cve | Oct 29, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6ae20c338ef6b2d900217a8b","created":"2026-10-28"}],"provenance":"machine"},"cwes":[{"id":"CWE-862","name":"Missing Authorization"}],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-111841","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-111841","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-28","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86397","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":13.6,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":5.41,"detail":"percentile 0.2706"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.37,"detail":"3 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}