CVE-2025-24990: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-03-23T21:30:37.787Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

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.

• Context preserved from previous revision: 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. Notes: 一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.

Technical Details

• CVE: CVE-2025-24990
• KEV date added: 2025-10-14
• KEV due date: 2025-11-04
• NVD published: 2025-10-14
• NVD modified: 2025-11-18
• MITRE modified: 2026-02-26
• CVSS base score: 7.8
• CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
• CVSS exploitability score: 1.8
• CVSS impact score: 5.9
• Attack vector: Local
• Attack complexity: Low
• Privileges required: Low
• User interaction: None
• Scope: Unchanged
• Confidentiality impact: High
• Integrity impact: High
• Availability impact: High

Versions and Products Impacted

• microsoft / windows 10 1507 (versions: < 10.0.10240.21161)
• microsoft / windows 10 1607 (versions: < 10.0.14393.8519)
• microsoft / windows 10 1809 (versions: < 10.0.17763.7919)
• microsoft / windows 10 21h2 (versions: < 10.0.19044.6456)
• microsoft / windows 10 22h2 (versions: < 10.0.19045.6456)
• microsoft / windows 11 22h2 (versions: < 10.0.22621.6060)
• microsoft / windows 11 23h2 (versions: <= 10.0.22631.6060)
• microsoft / windows 11 24h2 (versions: < 10.0.26100.6899)
• microsoft / windows 11 25h2 (versions: < 10.0.26200.6899)
• microsoft / windows server 2008
• microsoft / windows server 2008 (versions: r2)
• microsoft / windows server 2012
• microsoft / windows server 2012 (versions: r2)
• microsoft / windows server 2016 (versions: <= 10.0.14393.8519)
• microsoft / windows server 2019 (versions: < 10.0.17763.7919)
• microsoft / windows server 2022 (versions: < 10.0.20348.4294)
• microsoft / windows server 2022 23h2 (versions: < 10.0.25398.1913)
• microsoft / windows server 2025 (versions: <= 10.0.26100.6899)
• Microsoft / Windows 10 Version 1507 (versions: 10.0.10240.0)
• Microsoft / Windows 10 Version 1607 (versions: 10.0.14393.0)

Weakness Classification

• CWE-822

Repositories for Lab Validation (Public Examples)

• Threekiii/Awesome-POC | stars: 4876 | updated: 2026-03-23 | https://github.com/Threekiii/Awesome-POC
  Notes: 一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.
• gmh5225/awesome-game-security | stars: 2773 | updated: 2026-03-23 | https://github.com/gmh5225/awesome-game-security
  Notes: awesome game security [Welcome to PR]
• Zeyad-Azima/Offensive-Resources | stars: 1114 | updated: 2026-03-22 | https://github.com/Zeyad-Azima/Offensive-Resources
  Notes: A Huge Learning Resources with Labs For Offensive Security Players
• Ostorlab/KEV | stars: 608 | updated: 2026-03-23 | https://github.com/Ostorlab/KEV
  Notes: Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
• moiz-2x/CVE-2025-24990_POC | stars: 56 | updated: 2026-03-23 | https://github.com/moiz-2x/CVE-2025-24990_POC
  Notes: Proof of Concept CVE-2025-24990 (Agere Systems's driver)

People and Organizations Mentioned

• microsoft
• Windows
• Threekiii
• gmh5225
• Zeyad-Azima
• Ostorlab
• moiz-2x

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Inventory microsoft / windows 10 1507 (versions: < 10.0.10240.21161) assets and confirm exact vulnerable versions with automated checks.
4. Patch in staged environments and validate closure with scanners + service health checks.
5. Map detections to MITRE ATT&CK tactics relevant to your environment and tune alert quality.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2025-24990
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2025-24990
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• KEV notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24990 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24990
• 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
• Repository example: https://github.com/Threekiii/Awesome-POC
• Repository example: https://github.com/gmh5225/awesome-game-security
• Repository example: https://github.com/Zeyad-Azima/Offensive-Resources
• Repository example: https://github.com/Ostorlab/KEV
• Repository example: https://github.com/moiz-2x/CVE-2025-24990_POC

This content is for defensive security training and authorized validation only.