CVE-2026-56085: Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10,

Q: How do I fix CVE-2026-56085?

data domain operating system: upgrade to newer than 8.7.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-56085 being exploited?

CVE-2026-56085 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-56085 affect?

CVE-2026-56085 affects data domain operating system. Severity is low (CVSS 3.3). Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an use of uninitial

Q: How urgent is CVE-2026-56085?

Priority 12/100. No elevated risk signals yet.

Routine

LOW 3.3UPGRADE

CVE-2026-56085 is a low-severity flaw (CVSS 3.3) affecting data domain operating system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an use of uninitialized resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to information exposure.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-908
Published	2026-07-03
Last modified	2026-10-25

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-03 13:17 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

dell data domain operating system UPGRADE

Affected: >= 7.7.1.0 and <= 7.13.1.70 · >= 8.0.0.0 and <= 8.3.1.30 · >= 8.4.0.0 and <= 8.7.0.0

Fixed in: newer than 8.7.0.0

Safe to downgrade to: a release before 7.7.1.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-56085?

data domain operating system: upgrade to newer than 8.7.0.0. Exact commands for each OS are on this page.

Is CVE-2026-56085 being exploited?

CVE-2026-56085 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-56085 affect?

CVE-2026-56085 affects data domain operating system. Severity is low (CVSS 3.3). Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an use of uninitial

How urgent is CVE-2026-56085?

Priority 12/100. No elevated risk signals yet.

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-22761 MEDIUM 6.7 UPGRADE UPGRADE Dell PowerProtect Data Domain, versions 8.5 through 8.6 contain a command injection vulnerability
CVE-2026-35072 MEDIUM 6.7 UPGRADE UPGRADE Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6.0.0 and version 8.7.0.0, LTS2025 release versions
CVE-2026-24505 HIGH 7.2 UPGRADE UPGRADE Dell PowerProtect Data Domain, versions 8.5 through 8.6 contain an improper input validation vulnerability
CVE-2026-23853 HIGH 8.4 UPGRADE UPGRADE Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 th
CVE-2026-26355 MEDIUM 6.5 UPGRADE Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10,

References

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