Microsoft Patch Tuesday for October 2025 — Snort rules and prominent vulnerabilities

Microsoft has released its monthly security update for October 2025, addressing 175 Microsoft CVEs and 21 non-Microsoft CVEs. Among these, 17 vulnerabilities are considered critical and 11 are flagged as important and considered more likely to be exploited. Current intelligence shows that three o...

CVE-2025-24990

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24990

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24052

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24052

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24052

CVE-2025-24052 concerns vulnerabilities in the Agere modem driver (ltmdm64.sys) shipped with Windows. The connected Microsoft KBs confirm that the ltmdm64.sys driver is removed in October 2025 updates, and that fax-modem hardware relying on this driver will no longer function on Windows after the...

EUVD-2025-34425

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24052 Windows Agere Modem Driver Elevation of Privilege Vulnerability

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CVE-2025-24052 Windows Agere Modem Driver Elevation of Privilege Vulnerability

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CVE-2025-24990 Windows Agere Modem Driver Elevation of Privilege Vulnerability

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CVE-2025-24990

CVE-2025-24990 is a local privilege escalation in the Microsoft‑supplied Agere Modem Driver (ltmdm64.sys). The issue is described as an untrusted pointer dereference within the driver, enabling a local attacker to escalate privileges to administrator. Microsoft addressed it by removing the driver...

CVE-2025-24990 Windows Agere Modem Driver Elevation of Privilege Vulnerability

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EUVD-2025-34257

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

October 14, 2025—KB5066876 (Security-only update)

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October 14, 2025—KB5066872 (Monthly Rollup)

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Windows Agere Modem Driver Elevation of Privilege Vulnerability

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

October 14, 2025—KB5066874 (Monthly Rollup)

None None...

Windows Agere Modem Driver Elevation of Privilege Vulnerability

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

CVE-2025-24052: Stack-based Buffer Overflow

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware depende...

VulnCheck KEV: CVE-2025-24990

Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges...