CVE-2026-86380 Dell PowerProtect Data Domain - Protection Mechanism Bypass

Dell PowerProtect Data Domain 7.7.1.0 through 8.8, LTS2024 7.13.1.0 through 7.13.1.80, LTS2025 8.3.1.0 through 8.3.1.40, and LTS2026 8.6.1.0 through 8.6.1.20 contain an integer overflow or wraparound vulnerability, letting high privileged remote attackers bypass protection mechanisms, exploit requires high privileges.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.53% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Protection Mechanism Bypass
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-190

Vendor fix

Update to the latest available version beyond 8.8, 7.13.1.80, 8.3.1.40, and 8.6.1.20.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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