# CVE-2025-24990: Microsoft Windows Untrusted Pointer Dereference Vulnerability

- Exploited (CISA KEV): yes, added 2025-10-14
- Published: 2025-10-14
- CVSS: 7.8 HIGH (v3.1)
- EPSS: 6.4% (94th percentile)
- CWE: CWE-822

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2025-24990 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-24990