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.
ACTIVELY EXPLOITED IN THE WILD
This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Microsoft Windows Untrusted Pointer Dereference Vulnerability
Microsoft Windows
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
10/14/2025
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24990 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24990
Vulnerability Summary
CVSS v3 Score
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score (Exploitation Probability)
This vulnerability has a 2.76% probability of being exploited in the next 30 days, ranking higher than 86% of all scored CVEs.
CWE Classification
Related Vulnerabilities
Same Weakness Type(CWE-822)
Untrusted Pointer Dereference vulnerability in RTI Connext Professional (Core Libraries) allows Pointer Manipulation.This issue affects Connext Professional: from 7.4.0 before 7.6.0, from 7.0.0 before 7.3.0.10, from 6.1.0 before 6.1.2.27, from 6.0.0 before 6.0.1.43, from 5.3.0 before 5.3.*, from 4.4a before 5.2.*.
Untrusted Pointer Dereference vulnerability in RTI Connext Professional (Core Libraries) allows Pointer Manipulation.This issue affects Connext Professional: from 7.4.0 before 7.6.0, from 7.2.0 before 7.3.0.9.
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