CVE-2026-103780 — CRITICAL (9.8)

Vulnerability 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 a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to command execution.

CVSS Score

9.8

CRITICAL

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

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-121

References

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-

FAQ

What is CVE-2026-103780?

CVE-2026-103780 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ver...

How severe is CVE-2026-103780?

CVE-2026-103780 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-103780?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.