CVE-2025-21406

HIGH EPSS 76.4%
Published Feb 11, 20251y ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Feb 11, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Windows Telephony Service Remote Code Execution Vulnerability

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
76.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 21

VendorProductVersionRange
microsoftwindows_10_1507* <10.0.10240.20915
microsoftwindows_10_1507* <10.0.10240.20915
microsoftwindows_10_1607* <10.0.14393.7785
microsoftwindows_10_1607* <10.0.14393.7785
microsoftwindows_10_1809* <10.0.17763.6893
microsoftwindows_10_1809* <10.0.17763.6893
microsoftwindows_10_21h2* <10.0.19044.5487
microsoftwindows_10_22h2* <10.0.19045.5487
microsoftwindows_11_22h2* <10.0.22621.4890
microsoftwindows_11_23h2* <10.0.22631.4890
microsoftwindows_11_24h2* <10.0.26100.3194
microsoftwindows_server_2008*any
microsoftwindows_server_2008*any
microsoftwindows_server_2008r2any
microsoftwindows_server_2012*any
microsoftwindows_server_2012r2any
microsoftwindows_server_2016* <10.0.14393.7785
microsoftwindows_server_2019* <10.0.17763.6893
microsoftwindows_server_2022* <10.0.20348.3207
microsoftwindows_server_2022_23h2* <10.0.25398.1425
microsoftwindows_server_2025* <10.0.26100.3194

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21406
    PatchVendor Advisory

Remediation

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21406
    PatchVendor Advisory