CVE-2026-25259 Out-of-bounds Write in DSP Service

High 7.8 Published Updated

An out-of-bounds write in the DSP service allows attackers to execute arbitrary code or escalate privileges via malicious IOCTL commands.

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-2026-25259?

CVE-2026-25259 is a high-severity memory corruption vulnerability in Qualcomm Cologne Firmware, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption while processing multiple IOCTL command for escape operations.

Weakness: CWE-787

Which versions are affected by CVE-2026-25259?

It affects 42 products.

Products include Qualcomm Cologne Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Iqx5121 Firmware, Qualcomm Iqx7181 Firmware and 36 more.

How do I fix CVE-2026-25259?

No fix has been published for CVE-2026-25259 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-2026-25259 being exploited?

There is no known exploitation of CVE-2026-25259 in the wild and no public exploit code.

All Qualcomm Cologne Firmware vulnerabilities

Sources

Also known as GHSA-wfc2-qmjr-85gw.

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