Patch tracker / CVE reference / CVE-2025-24056
CVE-2025-24056
CVE-2025-24056 is a high severity Microsoft vulnerability with a CVSS score of 8.8. Its EPSS score puts the probability of exploitation in the next 30 days at 59%. Microsoft has shipped the fix: deploy one of the 16 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Risk summary
Not in the CISA KEV catalog. EPSS exploit probability 59%. CVSS 8.8 (High).
This CVE is among the top half of tracked Microsoft CVEs by EPSS exploit probability.
CVE-2025-24056 is a remote code execution flaw in the Windows Telephony Service affecting Windows 10 Version 1809 and Windows Server 2019, rated High severity at CVSS 8.8. It is not in CISA KEV and has no known ransomware use, but its 59 percent EPSS score signals a meaningful likelihood of exploitation appearing in the near term. The CVSS 8.8 vector typically implies an attacker needs some user or network interaction rather than pure remote access, so exposure is highest where the Telephony Service runs and untrusted input can reach it.
Do this: Deploy the Microsoft patch for CVE-2025-24056 to all Windows 10 1809 and Server 2019 hosts, prioritizing any systems where the Telephony Service is enabled.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-24056
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2025-24056
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5053594, KB5053596, KB5053598, KB5053599, KB5053602, KB5053603, KB5053606, KB5053618, KB5053620, KB5053627, KB5053636, KB5053638, KB5053886, KB5053887, KB5053888, KB5053995 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2025-24056. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Scope and sources
- Affected products
- Fixed by the same updates
- Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.