CVE-2025-24990
CVSS v3
7.8
HIGH
EPSS Score
6.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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 dependent on this specific driver will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.
CISA Known Exploited Vulnerability
- Date Added
- 2025-10-14
- Patch Due Date
- 2025-11-04
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-10-14
Frequently asked questions
What is 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 dependent on this specific driver will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.
Is CVE-2025-24990 actively exploited?
Yes. CVE-2025-24990 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-11-04.
What is the CVSS score for CVE-2025-24990?
CVE-2025-24990 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2025-24990 affecting your environment?
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