The remote Windows host is missing security update 5073379. It is, therefore, affected by multiple vulnerabilities

  - Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker     to execute code over a network. (CVE-2026-20854)

  - 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 SYSTEM.
    This can also be used to bypass kernel-level protections such as AV or PPL, because exploit code runs with     high-integrity privileges and can be used in coordinated BYOVD (bring your own vulnerable driver)     ransomware campaigns. (CVE-2023-31096)

  - Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability     (CVE-2026-20832)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5074109. It is, therefore, affected by multiple vulnerabilities

  - Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker     to execute code over a network. (CVE-2026-20854)

  - 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 SYSTEM.
    This can also be used to bypass kernel-level protections such as AV or PPL, because exploit code runs with     high-integrity privileges and can be used in coordinated BYOVD (bring your own vulnerable driver)     ransomware campaigns. (CVE-2023-31096)

  - Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability     (CVE-2026-20832)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
290251	KB5073379: Windows Server 2025 Security Update (January 2026)	Nessus	Windows : Microsoft Bulletins	1/16/2026	2/6/2026	high
290252	KB5074109: Windows 11 Version 24H2 / Windows 11 Version 25H2 / Windows 2025 Security Update (January 2026)	Nessus	Windows : Microsoft Bulletins	1/16/2026	2/6/2026	high

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