#VU110755 Memory leak in Windows Server and Windows - CVE-2025-29828


Vulnerability identifier: #VU110755

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-29828

CWE-ID: CWE-401

Exploitation vector: Network

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 remote attacker to execute arbitrary code on the system.

The vulnerability exists due memory leak in Windows Schannel. A remote attacker can force the application to leak memory and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: 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 10.0.20348.3740, 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, 2025 10.0.26100.3981, 2025 10.0.26100.4061, 2025 10.0.26100.4264

Windows: 11 22H2 10.0.22449.1000, 11 22H2 10.0.22454.1000, 11 22H2 10.0.22458.1000, 11 22H2 10.0.22463.1000, 11 22H2 10.0.22468.1000, 11 22H2 10.0.22471.1000, 11 22H2 10.0.22478.1000, 11 22H2 10.0.22478.1012 - 11 22H2 10.0.22621.898, 11 22H2 10.0.22483.1000 - 11 22H2 10.0.22621.1194, 11 22H2 10.0.22483.1011, 11 22H2 10.0.22489.1000, 11 22H2 10.0.22494.1000, 11 22H2 10.0.22499.1000, 11 22H2 10.0.22499.1010, 11 22H2 10.0.22504.1000, 11 22H2 10.0.22504.1010, 11 22H2 10.0.22509.1000, 11 22H2 10.0.22509.1011, 11 22H2 10.0.22518.1000, 11 22H2 10.0.22518.1012, 11 22H2 10.0.22523.1000, 11 22H2 10.0.22526.1000, 11 22H2 10.0.22533.1001, 11 22H2 10.0.22538.1000, 11 22H2 10.0.22538.1010, 11 22H2 10.0.22543.1000, 11 22H2 10.0.22557.1, 11 22H2 10.0.22563.1, 11 22H2 10.0.22567.1, 11 22H2 10.0.22567.100, 11 22H2 10.0.22567.200, 11 22H2 10.0.22572.1, 11 22H2 10.0.22572.100, 11 22H2 10.0.22572.201, 11 22H2 10.0.22579.1, 11 22H2 10.0.22579.100, 11 22H2 10.0.22581.1, 11 22H2 10.0.22581.100, 11 22H2 10.0.22581.200, 11 22H2 10.0.22593.1, 11 22H2 10.0.22598.1, 11 22H2 10.0.22598.100, 11 22H2 10.0.22598.200, 11 22H2 10.0.22610.1, 11 22H2 10.0.22616.1, 11 22H2 10.0.22616.100, 11 22H2 10.0.22621.1, 11 22H2 10.0.22621.105, 11 22H2 10.0.22621.160, 11 22H2 10.0.22621.169, 11 22H2 10.0.22621.232, 11 22H2 10.0.22621.290, 11 22H2 10.0.22621.317, 11 22H2 10.0.22621.382, 11 22H2 10.0.22621.436, 11 22H2 10.0.22621.440, 11 22H2 10.0.22621.450, 11 22H2 10.0.22621.457, 11 22H2 10.0.22621.521, 11 22H2 10.0.22621.525, 11 22H2 10.0.22621.575, 11 22H2 10.0.22621.586, 11 22H2 10.0.22621.590, 11 22H2 10.0.22621.598, 11 22H2 10.0.22621.601, 11 22H2 10.0.22621.607, 11 22H2 10.0.22621.608, 11 22H2 10.0.22621.674, 11 22H2 10.0.22621.675, 11 22H2 10.0.22621.730, 11 22H2 10.0.22621.1245, 11 22H2 10.0.22621.1250, 11 22H2 10.0.22621.1255, 11 22H2 10.0.22621.1265, 11 22H2 10.0.22621.1325, 11 22H2 10.0.22621.1343, 11 22H2 10.0.22621.1344, 11 22H2 10.0.22621.1391, 11 22H2 10.0.22621.1413, 11 22H2 10.0.22621.1465, 11 22H2 10.0.22621.1470, 11 22H2 10.0.22621.1483, 11 22H2 10.0.22621.1485, 11 22H2 10.0.22621.1537, 11 22H2 10.0.22621.1546, 11 22H2 10.0.22621.1555, 11 22H2 10.0.22621.1610, 11 22H2 10.0.22621.1616, 11 22H2 10.0.22621.1631, 11 22H2 10.0.22621.1635, 11 22H2 10.0.22621.1680, 11 22H2 10.0.22621.1690, 11 22H2 10.0.22621.1702, 11 22H2 10.0.22621.1755, 11 22H2 10.0.22621.1776, 11 22H2 10.0.22621.1778, 11 22H2 10.0.22621.1825, 11 22H2 10.0.22621.1830, 11 22H2 10.0.22621.1835, 11 22H2 10.0.22621.1848, 11 22H2 10.0.22621.1900, 11 22H2 10.0.22621.1906, 11 22H2 10.0.22621.1926, 11 22H2 10.0.22621.1928, 11 22H2 10.0.22621.1972, 11 22H2 10.0.22621.1992, 11 22H2 10.0.22621.2048, 11 22H2 10.0.22621.2050, 11 22H2 10.0.22621.2066, 11 22H2 10.0.22621.2070, 11 22H2 10.0.22621.2115, 11 22H2 10.0.22621.2129, 11 22H2 10.0.22621.2134, 11 22H2 10.0.22621.2191, 11 22H2 10.0.22621.2199, 11 22H2 10.0.22621.2213, 11 22H2 10.0.22621.2215, 11 22H2 10.0.22621.2262, 11 22H2 10.0.22621.2265, 11 22H2 10.0.22621.2271, 11 22H2 10.0.22621.2283, 11 22H2 10.0.22621.2338, 11 22H2 10.0.22621.2359, 11 22H2 10.0.22621.2361, 11 22H2 10.0.22621.2428, 11 22H2 10.0.22621.2500, 11 22H2 10.0.22621.2506, 11 22H2 10.0.22621.2715, 11 22H2 10.0.22621.2787, 11 22H2 10.0.22621.2792, 11 22H2 10.0.22621.2861, 11 22H2 10.0.22621.3007, 11 22H2 10.0.22621.3078, 11 22H2 10.0.22621.3085, 11 22H2 10.0.22621.3155, 11 22H2 10.0.22621.3227, 11 22H2 10.0.22621.3235, 11 22H2 10.0.22621.3296, 11 22H2 10.0.22621.3371, 11 22H2 10.0.22621.3374, 11 22H2 10.0.22621.3447, 11 22H2 10.0.22621.3520, 11 22H2 10.0.22621.3527, 11 22H2 10.0.22621.3593, 11 22H2 10.0.22621.3668, 11 22H2 10.0.22621.3672, 11 22H2 10.0.22621.3737, 11 22H2 10.0.22621.3807, 11 22H2 10.0.22621.3810, 11 22H2 10.0.22621.3880, 11 22H2 10.0.22621.3951, 11 22H2 10.0.22621.3958, 11 22H2 10.0.22621.4037, 11 22H2 10.0.22621.4108, 11 22H2 10.0.22621.4112, 11 22H2 10.0.22621.4169, 11 22H2 10.0.22621.4247, 11 22H2 10.0.22621.4249, 11 22H2 10.0.22621.4317, 11 22H2 10.0.22621.4391, 11 22H2 10.0.22621.4460, 11 22H2 10.0.22621.4602, 11 22H2 10.0.22621.4751, 11 22H2 10.0.22621.4890, 11 22H2 10.0.22621.5039, 11 22H2 10.0.22621.5189, 11 22H2 10.0.22621.5191, 11 22H2 10.0.22621.5335, 11 22H2 10.0.22621.5465, 11 23H2 10.0.22631.1825, 11 23H2 10.0.22631.1830, 11 23H2 10.0.22631.1835, 11 23H2 10.0.22631.1900, 11 23H2 10.0.22631.1906, 11 23H2 10.0.22631.1972, 11 23H2 10.0.22631.2048, 11 23H2 10.0.22631.2050, 11 23H2 10.0.22631.2115, 11 23H2 10.0.22631.2129, 11 23H2 10.0.22631.2191, 11 23H2 10.0.22631.2199, 11 23H2 10.0.22631.2262, 11 23H2 10.0.22631.2265, 11 23H2 10.0.22631.2271, 11 23H2 10.0.22631.2338, 11 23H2 10.0.22631.2361, 11 23H2 10.0.22631.2428, 11 23H2 10.0.22631.2506, 11 23H2 10.0.22631.2715, 11 23H2 10.0.22631.2787, 11 23H2 10.0.22631.2792, 11 23H2 10.0.22631.2861, 11 23H2 10.0.22631.3007, 11 23H2 10.0.22631.3078, 11 23H2 10.0.22631.3085, 11 23H2 10.0.22631.3155, 11 23H2 10.0.22631.3227, 11 23H2 10.0.22631.3235, 11 23H2 10.0.22631.3296, 11 23H2 10.0.22631.3371, 11 23H2 10.0.22631.3374, 11 23H2 10.0.22631.3447, 11 23H2 10.0.22631.3520, 11 23H2 10.0.22631.3527, 11 23H2 10.0.22631.3593, 11 23H2 10.0.22631.3668, 11 23H2 10.0.22631.3672, 11 23H2 10.0.22631.3737, 11 23H2 10.0.22631.3807, 11 23H2 10.0.22631.3810, 11 23H2 10.0.22631.3880, 11 23H2 10.0.22631.3951, 11 23H2 10.0.22631.3958, 11 23H2 10.0.22631.4037, 11 23H2 10.0.22631.4108, 11 23H2 10.0.22631.4112, 11 23H2 10.0.22631.4169, 11 23H2 10.0.22631.4247, 11 23H2 10.0.22631.4249, 11 23H2 10.0.22631.4317, 11 23H2 10.0.22631.4387, 11 23H2 10.0.22631.4391, 11 23H2 10.0.22631.4460, 11 23H2 10.0.22631.4602, 11 23H2 10.0.22631.4751, 11 23H2 10.0.22631.4890, 11 23H2 10.0.22631.5039, 11 23H2 10.0.22631.5189, 11 23H2 10.0.22631.5191, 11 23H2 10.0.22631.5335, 11 23H2 10.0.22631.5465, 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, 11 24H2 10.0.26100.3981, 11 24H2 10.0.26100.4061, 11 24H2 10.0.26100.4264


External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29828


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability