CVE-2025-15320 Tanium addressed a denial of service vulnerability in Tanium Client.
Attackers can cause a denial of service in the Tanium Client, requiring users to apply the vendor's patch.
- 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-2025-15320?
CVE-2025-15320 is a low-severity denial of service vulnerability in Tanium Client, published on 6 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Tanium addressed a denial of service vulnerability in Tanium Client.
Weakness: CWE-605
Which versions are affected by CVE-2025-15320?
It affects 1 product.
Products include Tanium Tanium.
How do I fix CVE-2025-15320?
No fix has been published for CVE-2025-15320 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-15320 being exploited?
There is no known exploitation of CVE-2025-15320 in the wild and no public exploit code.
Sources
Also known as GHSA-4w8j-9239-gvhw.