CVE-2026-95862 Memory corruption in Cloud Gateways

High 7.5 Published Updated

A network-based attacker can trigger an out-of-bounds write in UniFi gateways, causing a denial of service.

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-2026-95862?

CVE-2026-95862 is a high-severity memory corruption vulnerability in Ubiquiti Inc Cloud Gateways, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

Weakness: CWE-787

Which versions are affected by CVE-2026-95862?

How do I fix CVE-2026-95862?

No fix has been published for CVE-2026-95862 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-95862 being exploited?

There is no known exploitation of CVE-2026-95862 in the wild and no public exploit code.

Sources

Also known as GHSA-r98h-7hpp-wq9w.

Is CVE-2026-95862 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free