#VU109100 Use-after-free in Windows Server and Windows - CVE-2025-29970
Vulnerability identifier: #VU109100
Vulnerability risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-416
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 user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Microsoft Brokering File System. A local user can gain elevated privileges on the target system.
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-2025-29970
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.
