CVE-2026-23775: Dell PowerProtect Data Domain appliances with Data Domain Operating System (DD OS) of Feature Release versions

Q: How do I fix CVE-2026-23775?

data domain operating system: upgrade to 8.3.1.20, 8.6.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-23775 being exploited?

CVE-2026-23775 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-2026-23775 affect?

CVE-2026-23775 affects data domain operating system. Severity is high (CVSS 7.6). Dell PowerProtect Data Domain appliances with Data Domain Operating System (DD OS) of Feature Release versions 8.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.10 contain an insertion of sensitive information into log file vul

Routine

HIGH 7.6UPGRADE

CVE-2026-23775 is a high-severity flaw (CVSS 7.6) 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 appliances with Data Domain Operating System (DD OS) of Feature Release versions 8.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.10 contain an insertion of sensitive information into log file vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to credential exposures. Authentication attempts as the compromised user would need to be authorize

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-532
Published	2026-04-17
Last modified	2026-10-26

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-17 09:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

dell data domain operating system UPGRADE

Affected: >= 8.3.0.0 and < 8.3.1.20 · >= 8.4.0.0 and < 8.6.0.0

Fixed in: 8.3.1.20, 8.6.0.0

Safe to downgrade to: a release before 8.3.0.0

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-2026-23775?

data domain operating system: upgrade to 8.3.1.20, 8.6.0.0. Exact commands for each OS are on this page.

Is CVE-2026-23775 being exploited?

CVE-2026-23775 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-2026-23775 affect?

CVE-2026-23775 affects data domain operating system. Severity is high (CVSS 7.6). Dell PowerProtect Data Domain appliances with Data Domain Operating System (DD OS) of Feature Release versions 8.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.10 contain an insertion of sensitive information into log file vul

How urgent is CVE-2026-23775?

Priority 33/100. High severity

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-23778 HIGH 7.2 UPGRADE UPGRADE Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 th
CVE-2026-35073 MEDIUM 6.7 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-2026-35074 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-2026-23776 HIGH 7.2 UPGRADE UPGRADE Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 th
CVE-2026-35153 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

References

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