Windows Motorola Soft Modem Driver Elevation of Privilege Vulnerability

Microsoft is aware of vulnerabilities in the third party Motorola Soft Modem drivers that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of smserl64.sys and smserial.sys drivers. The drivers have been removed in the January cumulative...

MITRE: CVE-2023-31096 Windows Agere Soft Modem Driver Elevation of Privilege Vulnerability

Microsoft is aware of vulnerabilities in the third party Agere Soft Modem drivers that ship natively with supported Windows operating systems. This is an announcement of the removal of agrsm64.sys and agrsm.sys drivers. The drivers have been removed in the January 2026 cumulative update. Soft mod...

KB5073450: Windows Server version 23H2 Security Update (January 2026)

The remote Windows host is missing security update 5073450. It is, therefore, affected by multiple vulnerabilities - Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. CVE-2026-20857 - An issue was discovered in...

KB5073700: Windows Server 2008 Security Update (January 2026)

The remote Windows host is missing security update 5073700. It is, therefore, affected by multiple vulnerabilities - An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in...

CVE-2023-31096

An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in RTLCopyMemory IOCTL 0x1b2150. An attacker can exploit this to elevate privileges from a medium-integrity process to...

PT-2023-23152

Name of the Vulnerable Software and Affected Versions Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver versions through 2.2.100.1 Description An issue exists in the Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver AGRSM64.sys that allows for local privilege escalation to SYSTEM privileges. This i...

Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver Buffer Error Vulnerability

Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver is a driver from Broadcom Corporation USA. A security vulnerability exists in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver version 2.2.100.1 and earlier, which stems from the presence of a stack overflow vulnerability. An attacker could exploit...

CVE-2023-31096

CVE-2023-31096 affects Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver (AGRSM64.sys) up to version 2.2.100.1, enabling Local Privilege Escalation to SYSTEM via a stack overflow in RTLCopyMemory (IOCTL 0x1b2150). The issue can bypass kernel protections (AV, PPL) and may be used in BYOVD ransomwar...