CVSS 3.1 Score 7.8 of 10 (high)


Published Oct 10, 2023
Updated: Oct 18, 2023
CWE ID 787


CVE-2023-31096 is a vulnerability found in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through version (aka AGRSM64.sys). The vulnerability allows for local privilege escalation to SYSTEM through a stack overflow in RTLCopyMemory (IOCTL 0x1b2150). An attacker could exploit this vulnerability to elevate their privileges from a medium-integrity process to SYSTEM, potentially bypassing kernel-level protections such as antivirus or PPL. This poses a high danger to organizations as it can be used in coordinated ransomware campaigns that exploit vulnerable drivers. The vulnerability has a base severity of HIGH and a CVSS score of 7.8, indicating its significant impact and potential for exploitation.

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