**Core Concept**
Malignant otitis externa is a severe infection of the external auditory canal, often affecting diabetic or immunocompromised patients. The **facial nerve** and other cranial nerves can be involved due to the proximity of the infection to the temporal bone.

**Why the Correct Answer is Right**
The facial nerve, specifically, is commonly affected in malignant otitis externa due to its close proximity to the external auditory canal. As the infection spreads, it can cause **cranial nerve palsies**, with the facial nerve being one of the most frequently involved.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not provided, so we cannot assess its accuracy.
**Option B:** This option is not provided, so we cannot assess its accuracy.
**Option C:** This option is not provided, so we cannot assess its accuracy.
**Option D:** This option is not provided, so we cannot assess its accuracy.

**Clinical Pearl / High-Yield Fact**
Malignant otitis externa is a medical emergency that requires prompt treatment to prevent serious complications, including **cranial nerve paralysis** and **meningitis**.

**Correct Answer:** Not provided, however, the facial nerve is commonly affected in malignant otitis externa.