SB2025101512 - Multiple vulnerabilities in Microsoft Windows Local Session Manager (LSM)
Published: October 15, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Improper Validation of Specified Type of Input (CVE-ID: CVE-2025-58729)
CWE-ID: CWE-1287 - Improper Validation of Specified Type of Input
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of specified type of input in Windows Local Session Manager (LSM). A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
2) Improper Validation of Specified Type of Input (CVE-ID: CVE-2025-59257)
CWE-ID: CWE-1287 - Improper Validation of Specified Type of Input
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of specified type of input in Windows Local Session Manager (LSM). A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
3) Improper Validation of Specified Type of Input (CVE-ID: CVE-2025-59259)
CWE-ID: CWE-1287 - Improper Validation of Specified Type of Input
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of specified type of input in Windows Local Session Manager (LSM). A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.