CVE-2025-24990

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-10-14), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 6%CVSS: 7.8Exploit: cisa kev · ssvc active · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
6%
EPSS %ILE
93%
KEV
⚠ Exploited

Published

October 14, 2025

Last Modified

November 18, 2025

Advisory Details (4)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24990
generic🔴 Active Exploitation

CVE-2025-24990 Mitigation Script - Elevation of Privilege Vulnerability in Agere Modem Driver Affecting Windows - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-24990-mitigation-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
generic🔴 Active Exploitation

CVE-2025-24990 Detection Script - Elevation of Privilege Vulnerability in Agere Modem Driver Affecting Windows - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-24990-detection-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 101× in last 7d / 421× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,503 total refreshes for this CVE.

  1. 2026-09-19 06:48 UTCVendor advisory
  2. 2026-09-19 06:48 UTCGHSA enrichment
  3. 2026-09-19 02:49 UTCVendor advisory
  4. 2026-09-19 02:49 UTCGHSA enrichment
  5. 2026-09-18 22:54 UTCEG score recompute
  6. 2026-09-18 22:54 UTCVendor advisory
  7. 2026-09-18 22:54 UTCGHSA enrichment
  8. 2026-09-18 19:27 UTCEPSS rescore
  9. 2026-09-18 19:20 UTCCISA KEV update
  10. 2026-09-18 19:00 UTCVendor advisory
  11. 2026-09-18 19:00 UTCGHSA enrichment
  12. 2026-09-18 15:06 UTCVendor advisory
  13. 2026-09-18 15:06 UTCGHSA enrichment
  14. 2026-09-18 14:15 UTCCISA KEV update
  15. 2026-09-18 11:11 UTCVendor advisory
  16. 2026-09-18 11:11 UTCGHSA enrichment
  17. 2026-09-18 07:17 UTCVendor advisory
  18. 2026-09-18 07:17 UTCGHSA enrichment
  19. 2026-09-18 03:23 UTCVendor advisory
  20. 2026-09-18 03:23 UTCGHSA enrichment
  21. 2026-09-17 23:29 UTCVendor advisory
  22. 2026-09-17 23:29 UTCGHSA enrichment
  23. 2026-09-17 19:35 UTCEG score recompute
  24. 2026-09-17 19:35 UTCVendor advisory
  25. 2026-09-17 19:35 UTCGHSA enrichment
Show 75 more
  1. 2026-09-17 15:41 UTCVendor advisory
  2. 2026-09-17 15:41 UTCGHSA enrichment
  3. 2026-09-17 11:47 UTCVendor advisory
  4. 2026-09-17 11:47 UTCGHSA enrichment
  5. 2026-09-17 07:53 UTCVendor advisory
  6. 2026-09-17 07:53 UTCGHSA enrichment
  7. 2026-09-17 03:59 UTCVendor advisory
  8. 2026-09-17 03:59 UTCGHSA enrichment
  9. 2026-09-17 00:05 UTCVendor advisory
  10. 2026-09-17 00:05 UTCGHSA enrichment
  11. 2026-09-16 20:10 UTCVendor advisory
  12. 2026-09-16 20:10 UTCGHSA enrichment
  13. 2026-09-16 16:16 UTCEG score recompute
  14. 2026-09-16 16:16 UTCVendor advisory
  15. 2026-09-16 16:16 UTCGHSA enrichment
  16. 2026-09-16 14:10 UTCCISA KEV update
  17. 2026-09-16 14:06 UTCEPSS rescore
  18. 2026-09-16 12:21 UTCVendor advisory
  19. 2026-09-16 12:21 UTCGHSA enrichment
  20. 2026-09-16 08:28 UTCEG score recompute
  21. 2026-09-16 08:28 UTCVendor advisory
  22. 2026-09-16 08:27 UTCGHSA enrichment
  23. 2026-09-16 05:13 UTCEPSS rescore
  24. 2026-09-16 04:31 UTCVendor advisory
  25. 2026-09-16 04:31 UTCGHSA enrichment
  26. 2026-09-16 00:36 UTCVendor advisory
  27. 2026-09-16 00:36 UTCGHSA enrichment
  28. 2026-09-15 20:42 UTCVendor advisory
  29. 2026-09-15 20:42 UTCGHSA enrichment
  30. 2026-09-15 16:47 UTCVendor advisory
  31. 2026-09-15 16:47 UTCGHSA enrichment
  32. 2026-09-15 12:53 UTCVendor advisory
  33. 2026-09-15 12:53 UTCGHSA enrichment
  34. 2026-09-15 08:59 UTCVendor advisory
  35. 2026-09-15 08:59 UTCGHSA enrichment
  36. 2026-09-15 05:05 UTCEG score recompute
  37. 2026-09-15 05:05 UTCVendor advisory
  38. 2026-09-15 05:05 UTCGHSA enrichment
  39. 2026-09-15 03:09 UTCEPSS rescore
  40. 2026-09-15 01:09 UTCVendor advisory
  41. 2026-09-15 01:09 UTCGHSA enrichment
  42. 2026-09-14 21:15 UTCVendor advisory
  43. 2026-09-14 21:15 UTCGHSA enrichment
  44. 2026-09-14 19:24 UTCCISA KEV update
  45. 2026-09-14 17:21 UTCVendor advisory
  46. 2026-09-14 17:21 UTCGHSA enrichment
  47. 2026-09-14 13:27 UTCVendor advisory
  48. 2026-09-14 13:27 UTCGHSA enrichment
  49. 2026-09-14 09:33 UTCVendor advisory
  50. 2026-09-14 09:33 UTCGHSA enrichment
  51. 2026-09-14 05:39 UTCVendor advisory
  52. 2026-09-14 05:39 UTCGHSA enrichment
  53. 2026-09-14 01:45 UTCVendor advisory
  54. 2026-09-14 01:45 UTCGHSA enrichment
  55. 2026-09-13 21:51 UTCVendor advisory
  56. 2026-09-13 21:51 UTCGHSA enrichment
  57. 2026-09-13 17:57 UTCVendor advisory
  58. 2026-09-13 17:57 UTCGHSA enrichment
  59. 2026-09-13 14:03 UTCVendor advisory
  60. 2026-09-13 14:03 UTCGHSA enrichment
  61. 2026-09-13 10:09 UTCVendor advisory
  62. 2026-09-13 10:09 UTCGHSA enrichment
  63. 2026-09-13 06:15 UTCVendor advisory
  64. 2026-09-13 06:15 UTCGHSA enrichment
  65. 2026-09-13 02:21 UTCVendor advisory
  66. 2026-09-13 02:20 UTCGHSA enrichment
  67. 2026-09-12 22:27 UTCVendor advisory
  68. 2026-09-12 22:27 UTCGHSA enrichment
  69. 2026-09-12 18:33 UTCEG score recompute
  70. 2026-09-12 18:33 UTCVendor advisory
  71. 2026-09-12 18:33 UTCGHSA enrichment
  72. 2026-09-12 15:00 UTCEPSS rescore
  73. 2026-09-12 14:39 UTCVendor advisory
  74. 2026-09-12 14:39 UTCGHSA enrichment
  75. 2026-09-12 10:44 UTCVendor advisory

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCmoiz-2x/CVE-2025-24990_POC
    First seen Oct 16, 2025

    Proof of Concept CVE-2025-24990 (Agere Systems's driver)

    Open source ↗

Frequently asked(6)

What is CVE-2025-24990?
CVE-2025-24990 is a critical vulnerability published on October 14, 2025. 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…
When was CVE-2025-24990 disclosed?
CVE-2025-24990 was first published in the National Vulnerability Database on October 14, 2025, with the most recent update on November 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-24990 actively exploited?
Yes. CISA added CVE-2025-24990 to the Known Exploited Vulnerabilities catalog on October 14, 2025, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-24990?
CVE-2025-24990 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2025-24990?
CVE-2025-24990 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-24990?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-24990, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-24990

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