CVE-2026-49817 Deserialization in Dell Command Update (DCU)
A local low-privileged attacker can exploit a deserialization flaw in Dell Command Update to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49817?
CVE-2026-49817 is a high-severity unsafe deserialization vulnerability in Dell Command Update (DCU), published on 19 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell Command Update (DCU), versions prior to 5.7.1, contain a Deserialization of Untrusted Data vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Weakness: CWE-502
Which versions are affected by CVE-2026-49817?
It affects 1 product.
Products include Dell Command Update.
How do I fix CVE-2026-49817?
No fix has been published for CVE-2026-49817 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-49817 being exploited?
There is no known exploitation of CVE-2026-49817 in the wild and no public exploit code.
Other vulnerabilities in Dell Command Update (DCU)
- CVE-2026-58565 Missing authorization in Dell Command Update (DCU)
- CVE-2026-49816 Deserialization in Dell Command Update (DCU)
- CVE-2026-53477 Race condition in Dell Command Update (DCU)
- CVE-2026-58564 Misconfiguration in Dell Command Update (DCU)
- CVE-2026-56797 Race condition in Dell Command Update (DCU)
Sources
Also known as GHSA-wv8r-q48p-5xpr.