CVE-2026-25266 Exposed dangerous function in windows host
Memory corruption in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via 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-2026-25266?
CVE-2026-25266 is a medium-severity memory corruption vulnerability in Qualcomm Cologne Firmware, published on 4 May 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 IOCTL command when device is in power-save state.
Which versions are affected by CVE-2026-25266?
It affects 24 products.
Products include Qualcomm Cologne Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Sc8380xp Firmware, Qualcomm Snapdragon Ar1 Gen 1 Firmware, Qualcomm Wcd9378c Firmware and 18 more.
How do I fix CVE-2026-25266?
No fix has been published for CVE-2026-25266 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-2026-25266 being exploited?
There is no known exploitation of CVE-2026-25266 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Cologne Firmware
Sources
Also known as GHSA-x7h5-vhw2-pmff.