Heap-based buffer overflow in Kernel Streaming
Reading Time: 4 minutes From time to time, while digging through internals during our research, we stumble upon quirks or vulnerabilities that, although not immediately useful for operations or exploitation, are still noteworthy. Rather than letting these findings fade away, we decided to responsibly disclose them to the vendor. One such case is CVE-2025-53149, a heap-based buffer overflow in the Kernel Streaming WOW Thunk Service Driver, which Microsoft patched on August 12, 2025. The vulnera