CVE-2026-86397
Reported by dell · Published October 28, 2026
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| PowerProtect Data Domain | Dell | 8.9.0.0 or later, 8.6.1.30 or later, 8.3.1.50 or later, 7.13.1.90 or later |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Dell | PowerProtect Data Domain | 0, 0, 0 |
| Dell | PowerProtect Data Domain | 0, 0, 0 |
Timeline
- Oct 28, 2026 EPSS Score (3 in total, the first dated here)
- Oct 28, 2026 CVE Published
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-86397
vulnetix vdb fixes CVE-2026-86397Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-86397/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart