CVE-2026-23776: dell data_domain_operating_system Improper Certificate Validation
Vulnerability summary
CVE-2026-23776 is a high (CVSS 8.8) Improper Certificate Validation vulnerability in dell data_domain_operating_system. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12% of scored vulnerabilities.
Timeline
- 17-04-2026PublishedVulnerability first disclosed.
- 20-04-2026Last modifiedVulnerability information updated.
Description
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contain(s) an Improper Certificate Validation vulnerability in certificate-based login. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell3 products
- data_domain_operating_system≥ 7.7.1.0, < 7.13.1.70 | ≥ 7.14.0.0, < 8.3.1.30 | ≥ 8.4.0.0, < 8.6.0.0
- powerprotect data domain< 8.3.1.30 or later | < 7.13.1.70 or later | < 8.6.0.0 or later | < 2.7.9 with DD OS 8.3.1.30
- powerprotect_dp_series_appliance< 2.7.9
1 vendor · 3 products