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CVE-2026-86389

HIGHCVSS 7.2/10EPSS 0.53%

Last modified

CVE-2026-86389 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Integer Overflow or Wraparound vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Integer Overflow or Wraparound vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code 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
0.53%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
DellPowerProtect Data Domain< 8.9.0.0 or later; < 7.13.1.90 or later; < 8.3.1.50 or later; < 8.6.1.30 or later

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-86389?
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Integer Overflow or Wraparound vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.
How severe is CVE-2026-86389?
CVE-2026-86389 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-86389?
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