CVE-2026-56797 Race condition in Dell Command Update (DCU)
A local low-privileged attacker can exploit a race condition 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
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-56797?
CVE-2026-56797 is a high-severity vulnerability in Dell Command Update (DCU), published on 19 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Dell Command Update (DCU), versions prior to 5.7.1, a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Weakness: CWE-367
Which versions are affected by CVE-2026-56797?
It affects 1 product.
Products include Dell Command Update.
How do I fix CVE-2026-56797?
No fix has been published for CVE-2026-56797 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56797 being exploited?
There is no known exploitation of CVE-2026-56797 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-2026-49817 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)
Sources
Also known as GHSA-wwx5-c6f8-7jqf.