Stack-based Buffer Overflow in Dell PowerProtect Data Domain
CVE-2026-103780

9.8CRITICAL

Key Information:

Vendor

Dell
Status
Powerprotect Data Domain
Vendor
CVE Published:
28 October 2026

What is CVE-2026-103780?

Dell PowerProtect Data Domain contains a stack-based buffer overflow vulnerability that can be exploited by unauthenticated attackers with remote access. Successful exploitation may allow attackers to perform unauthorized command execution, which poses a significant risk to data integrity and system security. It is crucial for users operating the affected versions to apply the appropriate security updates to mitigate the risks associated with this vulnerability.

Affected Version(s)

PowerProtect Data Domain 0 < 8.9.0.0 or later

PowerProtect Data Domain 0 < 7.13.1.90 or later

PowerProtect Data Domain 0 < 8.3.1.50 or later

References

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-20...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.