#VU109094 Input validation error in Windows Server and Windows - CVE-2025-29955

Cybersecurity Help s.r.o.

Published: 2025-05-13

Vulnerability identifier: #VU109094

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-29955

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows Server
Operating systems & Components / Operating system
Windows
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Hyper-V. A local attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2012 Gold, 2012 R2 6.3.9600.21871, 2012 R2 6.3.9600.21924, 2012 R2 6.3.9600.21972, 2012 R2 6.3.9600.22023, 2012 R2 6.3.9600.22074, 2012 R2 6.3.9600.22134, 2012 R2 6.3.9600.22175, 2012 R2 6.3.9600.22221, 2012 R2 6.3.9600.22267, 2012 R2 6.3.9600.22318, 2012 R2 6.3.9600.22371, 2012 R2 6.3.9600.22417, 2012 R2 6.3.9600.22470, 2012 R2 6.3.9600.22523, 2022 10.0.20348.202, 2022 10.0.20348.230, 2022 10.0.20348.261, 2022 10.0.20348.288, 2022 10.0.20348.320, 2022 10.0.20348.350, 2022 10.0.20348.380, 2022 10.0.20348.405, 2022 10.0.20348.407, 2022 10.0.20348.469, 2022 10.0.20348.473, 2022 10.0.20348.502, 2022 10.0.20348.524, 2022 10.0.20348.558, 2022 10.0.20348.587, 2022 10.0.20348.617, 2022 10.0.20348.643, 2022 10.0.20348.681, 2022 10.0.20348.707, 2022 10.0.20348.709, 2022 10.0.20348.740, 2022 10.0.20348.768, 2022 10.0.20348.803, 2022 10.0.20348.825, 2022 10.0.20348.859, 2022 10.0.20348.887, 2022 10.0.20348.946, 2022 10.0.20348.1006, 2022 10.0.20348.1070, 2022 10.0.20348.1129, 2022 10.0.20348.1131, 2022 10.0.20348.1194, 2022 10.0.20348.1249, 2022 10.0.20348.1251, 2022 10.0.20348.1311, 2022 10.0.20348.1366, 2022 10.0.20348.1368, 2022 10.0.20348.1487, 2022 10.0.20348.1547, 2022 10.0.20348.1607, 2022 10.0.20348.1668, 2022 10.0.20348.1726, 2022 10.0.20348.1787, 2022 10.0.20348.1850, 2022 10.0.20348.1906, 2022 10.0.20348.1970, 2022 10.0.20348.2031, 2022 10.0.20348.2113, 2022 10.0.20348.2159, 2022 10.0.20348.2227, 2022 10.0.20348.2322, 2022 10.0.20348.2333, 2022 10.0.20348.2340, 2022 10.0.20348.2342, 2022 10.0.20348.2402, 2022 10.0.20348.2458, 2022 10.0.20348.2461, 2022 10.0.20348.2522, 2022 10.0.20348.2527, 2022 10.0.20348.2582, 2022 10.0.20348.2655, 2022 10.0.20348.2695, 2022 10.0.20348.2700, 2022 10.0.20348.2762, 2022 10.0.20348.2849, 2022 10.0.20348.2908, 2022 10.0.20348.2966, 2022 10.0.20348.3091, 2022 10.0.20348.3148, 2022 10.0.20348.3207, 2022 10.0.20348.3270, 2022 10.0.20348.3328, 2022 10.0.20348.3454, 2022 10.0.20348.3630, 2022 10.0.20348.3692, 2022 10.0.22000.2710, 2022 20H2, 2022 23H2 10.0.25398.887, 2022 23H2 10.0.25398.1009, 2022 23H2 10.0.25398.1128, 2022 23H2 10.0.25398.1189, 2022 23H2 10.0.25398.1251, 2022 23H2 10.0.25398.1308, 2022 23H2 10.0.25398.1369, 2022 23H2 10.0.25398.1425, 2022 23H2 10.0.25398.1486, 2022 23H2 10.0.25398.1551, 2025 10.0.26100.1742, 2025 10.0.26100.2240, 2025 10.0.26100.2314, 2025 10.0.26100.2528, 2025 10.0.26100.2605, 2025 10.0.26100.2894, 2025 10.0.26100.3107, 2025 10.0.26100.3194, 2025 10.0.26100.3403, 2025 10.0.26100.3476, 2025 10.0.26100.3775

Windows: 10 1607 10.0.14393.10, 10 1607 10.0.14393.33, 10 1607 10.0.14393.51, 10 1607 10.0.14393.68, 10 1607 10.0.14393.82, 10 1607 10.0.14393.105, 10 1607 10.0.14393.148, 10 1607 10.0.14393.167 - 10 1607 10.0.14393.2641, 10 1607 10.0.14393.177 - 10 1607 10.0.14393.2908, 10 1607 10.0.14393.187, 10 1607 10.0.14393.189, 10 1607 10.0.14393.222, 10 1607 10.0.14393.243, 10 1607 10.0.14393.258, 10 1607 10.0.14393.267, 10 1607 10.0.14393.321, 10 1607 10.0.14393.351, 10 1607 10.0.14393.363, 10 1607 10.0.14393.375, 10 1607 10.0.14393.393, 10 1607 10.0.14393.435, 10 1607 10.0.14393.447, 10 1607 10.0.14393.453, 10 1607 10.0.14393.477, 10 1607 10.0.14393.479, 10 1607 10.0.14393.576, 10 1607 10.0.14393.585, 10 1607 10.0.14393.693, 10 1607 10.0.14393.726, 10 1607 10.0.14393.729, 10 1607 10.0.14393.953, 10 1607 10.0.14393.969, 10 1607 10.0.14393.970, 10 1607 10.0.14393.1066, 10 1607 10.0.14393.1198, 10 1607 10.0.14393.1230, 10 1607 10.0.14393.1358, 10 1607 10.0.14393.1378, 10 1607 10.0.14393.1480, 10 1607 10.0.14393.1532, 10 1607 10.0.14393.1537, 10 1607 10.0.14393.1593, 10 1607 10.0.14393.1613, 10 1607 10.0.14393.1670, 10 1607 10.0.14393.1715, 10 1607 10.0.14393.1737, 10 1607 10.0.14393.1770, 10 1607 10.0.14393.1794, 10 1607 10.0.14393.1797, 10 1607 10.0.14393.1884, 10 1607 10.0.14393.1914, 10 1607 10.0.14393.1944, 10 1607 10.0.14393.2007, 10 1607 10.0.14393.2034, 10 1607 10.0.14393.2035, 10 1607 10.0.14393.2068, 10 1607 10.0.14393.2097, 10 1607 10.0.14393.2125, 10 1607 10.0.14393.2155, 10 1607 10.0.14393.2156, 10 1607 10.0.14393.2189, 10 1607 10.0.14393.2214, 10 1607 10.0.14393.2248, 10 1607 10.0.14393.2273, 10 1607 10.0.14393.2312, 10 1607 10.0.14393.2339, 10 1607 10.0.14393.2363, 10 1607 10.0.14393.2368, 10 1607 10.0.14393.2395, 10 1607 10.0.14393.2396, 10 1607 10.0.14393.2941, 10 1607 10.0.14393.2969, 10 1607 10.0.14393.2972, 10 1607 10.0.14393.2999, 10 1607 10.0.14393.3025, 10 1607 10.0.14393.3053, 10 1607 10.0.14393.3056, 10 1607 10.0.14393.3085, 10 1607 10.0.14393.3115, 10 1607 10.0.14393.3144, 10 1607 10.0.14393.3181, 10 1607 10.0.14393.3204, 10 1607 10.0.14393.3206, 10 1607 10.0.14393.3242, 10 1607 10.0.14393.3243, 10 1607 10.0.14393.3274, 10 1607 10.0.14393.3300, 10 1607 10.0.14393.3326, 10 1607 10.0.14393.3384, 10 1607 10.0.14393.3443, 10 1607 10.0.14393.3474, 10 1607 10.0.14393.3504, 10 1607 10.0.14393.3542, 10 1607 10.0.14393.3564, 10 1607 10.0.14393.3595, 10 1607 10.0.14393.3630, 10 1607 10.0.14393.3659, 10 1607 10.0.14393.3686, 10 1607 10.0.14393.3750, 10 1607 10.0.14393.3755, 10 1607 10.0.14393.3808, 10 1607 10.0.14393.3866, 10 1607 10.0.14393.3930, 10 1607 10.0.14393.3986, 10 1607 10.0.14393.4046, 10 1607 10.0.14393.4048, 10 1607 10.0.14393.4104, 10 1607 10.0.14393.4169, 10 1607 10.0.14393.4225, 10 1607 10.0.14393.4283, 10 1607 10.0.14393.4288, 10 1607 10.0.14393.4350, 10 1607 10.0.14393.4402, 10 1607 10.0.14393.4467, 10 1607 10.0.14393.4470, 10 1607 10.0.14393.4530, 10 1607 10.0.14393.4532, 10 1607 10.0.14393.4583, 10 1607 10.0.14393.4651, 10 1607 10.0.14393.4704, 10 1607 10.0.14393.4770, 10 1607 10.0.14393.4771, 10 1607 10.0.14393.4825, 10 1607 10.0.14393.4827, 10 1607 10.0.14393.4886, 10 1607 10.0.14393.4889, 10 1607 10.0.14393.4946, 10 1607 10.0.14393.5006, 10 1607 10.0.14393.5066, 10 1607 10.0.14393.5125, 10 1607 10.0.14393.5127, 10 1607 10.0.14393.5192, 10 1607 10.0.14393.5246, 10 1607 10.0.14393.5291, 10 1607 10.0.14393.5356, 10 1607 10.0.14393.5427, 10 1607 10.0.14393.5429, 10 1607 10.0.14393.5501, 10 1607 10.0.14393.5502, 10 1607 10.0.14393.5582, 10 1607 10.0.14393.5648, 10 1607 10.0.14393.5717, 10 1607 10.0.14393.5786, 10 1607 10.0.14393.5850, 10 1607 10.0.14393.5921, 10 1607 10.0.14393.5989, 10 1607 10.0.14393.5996, 10 1607 10.0.14393.6085, 10 1607 10.0.14393.6167, 10 1607 10.0.14393.6252, 10 1607 10.0.14393.6351, 10 1607 10.0.14393.6452, 10 1607 10.0.14393.6529, 10 1607 10.0.14393.6614, 10 1607 10.0.14393.6709, 10 1607 10.0.14393.6796, 10 1607 10.0.14393.6799, 10 1607 10.0.14393.6897, 10 1607 10.0.14393.6981, 10 1607 10.0.14393.7070, 10 1607 10.0.14393.7159, 10 1607 10.0.14393.7259, 10 1607 10.0.14393.7336, 10 1607 10.0.14393.7428, 10 1607 10.0.14393.7515, 10 1607 10.0.14393.7606, 10 1607 10.0.14393.7699, 10 1607 10.0.14393.7785, 10 1607 10.0.14393.7876, 10 1607 10.0.14393.7969, 10 1607 10.0.14393.7970, 11 24H2 10.0.26052.1000, 11 24H2 10.0.26052.1100, 11 24H2 10.0.26058.1000, 11 24H2 10.0.26058.1100, 11 24H2 10.0.26058.1300, 11 24H2 10.0.26058.1400, 11 24H2 10.0.26063.1, 11 24H2 10.0.26080.1, 11 24H2 10.0.26080.1100, 11 24H2 10.0.26080.1201, 11 24H2 10.0.26080.1300, 11 24H2 10.0.26080.1400, 11 24H2 10.0.26085.1, 11 24H2 10.0.26090.1, 11 24H2 10.0.26090.112, 11 24H2 10.0.26100.1, 11 24H2 10.0.26100.268, 11 24H2 10.0.26100.560, 11 24H2 10.0.26100.712, 11 24H2 10.0.26100.863, 11 24H2 10.0.26100.994, 11 24H2 10.0.26100.1000, 11 24H2 10.0.26100.1150, 11 24H2 10.0.26100.1297, 11 24H2 10.0.26100.1301, 11 24H2 10.0.26100.1457, 11 24H2 10.0.26100.1586, 11 24H2 10.0.26100.1591, 11 24H2 10.0.26100.1742, 11 24H2 10.0.26100.1876, 11 24H2 10.0.26100.1882, 11 24H2 10.0.26100.2033, 11 24H2 10.0.26100.2152, 11 24H2 10.0.26100.2161, 11 24H2 10.0.26100.2240, 11 24H2 10.0.26100.2314, 11 24H2 10.0.26100.2528, 11 24H2 10.0.26100.2605, 11 24H2 10.0.26100.2894, 11 24H2 10.0.26100.3107, 11 24H2 10.0.26100.3194, 11 24H2 10.0.26100.3403, 11 24H2 10.0.26100.3476, 11 24H2 10.0.26100.3775

External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29955

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability

Denial of service in Microsoft Windows Hyper-V