PCAN Windows drivers through 5.1.2 can crash the kernel
Six local flaws are fixed in version 5.1.4; CISA lists medium CVSS scores and no exploitation status.
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CVE-2026-103672
- CVSS 4.0
- 6.9 medium
- EPSS
- —
- Published
- ·
- Modified
Description · NVD
The PEAK-System PCAN parser indexes a length table using attacker-controlled DLC without enforcing DLC <= 0x0f, then copies attacker payload from record+0x1c into a fixed-size stack destination.
- Weakness
- CWE-129
- Vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X