#VU112585 Processor optimization removal or modification of security-critical code in Windows Server and Windows - CVE-2025-48809

Cybersecurity Help s.r.o.

Published: 2025-07-09

Vulnerability identifier: #VU112585

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-48809

CWE-ID: CWE-1037

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 gain access to sensitive information.

The vulnerability exists due to processor optimization removal or modification of security-critical code in Windows Secure Kernel Mode. A local user can gain access to sensitive information.

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, 2022 10.0.20348.3745, 2022 10.0.20348.3800, 2022 10.0.20348.3807, 2022 10.0.20348.3932, 2022 10.0.22000.2710, 2022 20H2, 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, 2025 10.0.26100.4270, 2025 10.0.26100.4349

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, 10 1607 10.0.14393.8066, 10 1607 10.0.14393.8148, 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, 11 24H2 10.0.26100.4270, 11 24H2 10.0.26100.4349

External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48809

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

Multiple vulnerabilities in Microsoft Windows Secure Kernel Mode