Qualcomm Snapdragon 6 Gen 4 Mobile Firmware vulnerabilities

6 CVEs affecting Qualcomm Snapdragon 6 Gen 4 Mobile Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-24082, published 2026-05-04.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-47403, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
• CVE-2025-47401, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing target power rate tables during channel configuration.
• CVE-2025-47398, published 2026-02-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption while deallocating graphics processing unit memory buffers due to improper handling of memory pointers.
• CVE-2025-47397, published 2026-02-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when initiating GPU memory mapping using scatter-gather lists due to unchecked IOMMU mapping errors.
• CVE-2026-24082, published 2026-05-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when copying data from a freed source while executing performance counter deselect operation.
• CVE-2025-47404, published 2026-05-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when dynamically changing the size of a previously allocated buffer while its contents are being modified.