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Vulnerability · Published Mar 11, 2025 · Assigned by microsoft

CVE-2025-24056Windows Telephony Service Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity heap buffer overflow in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.6%top 24.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Heap-based buffer overflow in Windows Telephony Server allows an unauthorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.20947
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5608
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5608
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5039
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5039
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5039
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.3476
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.27618
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.27618
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.23168
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.23168
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25368
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25368
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22470
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3328
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1486
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.3476
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.3476

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References