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CVE-2026-53483

43
FAUCET Score

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. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access. This is a critical severity vulnerability as it allows an attacker to take complete control of system; so Dell recommends customers to upgrade at the earliest opportunity.

First published: Jul 7, 2026Last modified: Jul 7, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.7.1.0, < 7.13.1.80CPE matchmatch criteria
cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*
>= 7.14.0.0, < 8.3.1.40CPE matchmatch criteria
cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*
>= 8.4.0.0, < 8.6.1.20CPE matchmatch criteria
cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*
>= 8.7.0.0, < 8.8.0.0CPE matchmatch criteria
cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 7th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dell.com / support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
Vendor Advisory