What is CVE-2026-53483?

CVE-2026-53483 is a critical-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-07.

How severe is CVE-2026-53483?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Dell Powerprotect Data Domain

CVE-2026-53483

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 an improper authentication…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dell Powerprotect Data Domain — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security_alert@emc.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-53483?: CVE-2026-53483 is a critical-severity vulnerability in Dell Powerprotect Data Domain, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-07.
How severe is CVE-2026-53483?: Critical severity. CVSS v3 base score is 9.8 out of 10.