CVE-2026-46463 Integer overflow in PowerProtect Data Domain

Medium 6.5 Published 3 Jul 2026 Updated 6 Jul 2026

An unauthenticated remote attacker can cause a denial of service in Dell PowerProtect Data Domain via an integer overflow vulnerability.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-46463?

CVE-2026-46463 is a medium-severity vulnerability in Dell Data Domain Operating System, published on 3 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-190

Which versions are affected by CVE-2026-46463?

It affects 1 product.

Products include Dell Data Domain Operating System.

How do I fix CVE-2026-46463?

No fix has been published for CVE-2026-46463 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-46463 being exploited?

There is no known exploitation of CVE-2026-46463 in the wild and no public exploit code.

All Dell Data Domain Operating System vulnerabilities

Sources

Also known as GHSA-xgmx-456f-v7hp.