Medium severity · published Jul 3, 2026
CVE-2026-46463
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…
6.5
CVSS
0.3%
EPSS
No
On KEV
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 integer overflow or wraparound vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PD
PowerProtect Data Domain · Dell
before 8.8.0.0 or later; before 8.6.1.20 or later; before 8.3.1.40 or later; before 7.13.1.80 or later · source: vendor
DD
Data Domain Operating System · Dell
7.7.1.0 through 7.13.1.70; 8.0.0.0 through 8.3.1.30; 8.4.0.0 through 8.7.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46463
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
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