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NVD description
A stack-based buffer overflow vulnerability exists in ELAN Microelectronics Corp. ELAN Smart-Pad on Windows (ETD.sys and ETDSMBus.sys). During Intel SMBus recovery, ETDSMBus.sys does not enforce an upper-bound check on the hardware-derived report count, allowing an out-of-range value to be forwarded to ETD.sys where it is used as a loop counter for a stack buffer copy without destination size validation. A local attacker with standard user privileges can trigger a kernel bugcheck (BSOD 0xF7 DRIVER_OVERRAN_STACK_BUFFER), resulting in denial of service. This issue affects ELAN Smart-Pad through ETD24.21.52.3.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
CVE-2026-18909 Stack-Based Buffer Overflow in ELAN Smart-Pad ETDSMBus.sys Driver https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-18909
Post summary
A stack‑based buffer overflow vulnerability (CVE‑2026‑18909) has been disclosed in the ELAN Smart‑Pad ETDSMBus.sys driver, with no PoC, exploit, or patch information provided.