CVE-2026-86397 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 re
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-86397?
CVE-2026-86397 is a critical vulnerability in Dell PowerProtect Data Domain, published on 28 Oct 2026.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-86397?
How do I fix CVE-2026-86397?
No fix has been published for CVE-2026-86397 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86397 being exploited?
There is no known exploitation of CVE-2026-86397 in the wild and no public exploit code.
Sources
Also known as GHSA-gvg7-47g3-qv5v.