CVE-2025-24990
high · 7.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.21161 |
| microsoft | windows_10_1607 | < 10.0.14393.8519 |
| microsoft | windows_10_1809 | < 10.0.17763.7919 |
| microsoft | windows_10_21h2 | < 10.0.19044.6456 |
| microsoft | windows_10_22h2 | < 10.0.19045.6456 |
| microsoft | windows_11_22h2 | < 10.0.22621.6060 |
| microsoft | windows_11_23h2 | <= 10.0.22631.6060 |
| microsoft | windows_11_24h2 | < 10.0.26100.6899 |
| microsoft | windows_11_25h2 | < 10.0.26200.6899 |
| microsoft | windows_server_2008 | all versions |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | all versions |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | <= 10.0.14393.8519 |
| microsoft | windows_server_2019 | < 10.0.17763.7919 |
| microsoft | windows_server_2022 | < 10.0.20348.4294 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1913 |
| microsoft | windows_server_2025 | <= 10.0.26100.6899 |
Check a specific version with /api/v1/cve/match.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990
- https://www.vicarius.io/vsociety/posts/cve-2025-24990-detection-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
- https://www.vicarius.io/vsociety/posts/cve-2025-24990-mitigation-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24990
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2025-24990