CVE-2026-86377 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-2026-86377?
CVE-2026-86377 is a high-severity 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 Out-of-bounds Write vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
Weakness: CWE-787
Which versions are affected by CVE-2026-86377?
How do I fix CVE-2026-86377?
No fix has been published for CVE-2026-86377 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86377 being exploited?
There is no known exploitation of CVE-2026-86377 in the wild and no public exploit code.
Sources
Also known as GHSA-9cmh-5j7w-fhjr.