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CVE-2026-53478

HIGHCVSS 7.2/10EPSS 1.22%

Last modified

CVE-2026-53478 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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 improper neutralization of special elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

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 improper neutralization of special elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.

Metrics

CVSS 3.1
7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.22%

64.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DellData Domain Operating System>= 7.7.1.0, <= 7.13.1.70
DellData Domain Operating System>= 8.0.0.0, <= 8.3.1.30
DellData Domain Operating System>= 8.4.0.0, <= 8.7.0.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-53478?
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 improper neutralization of special elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.
How severe is CVE-2026-53478?
CVE-2026-53478 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-53478?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST