SB2025101477 - Multiple vulnerabilities in Microsoft Windows Search Service

Description

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2025-59190)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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 insufficient validation of user-supplied input in Windows Search Service. A remote attacker can trick a victim to access a malicious folder or directory and perform a denial of service (DoS) attack.

2) Improper access control (CVE-ID: CVE-2025-59253)

CWE-ID: CWE-284 - Improper Access Control

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

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Windows Search Service. A local user can bypass implemented security restrictions and perform a denial of service (DoS) attack.

3) Input validation error (CVE-ID: CVE-2025-59198)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/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 insufficient validation of user-supplied input in Windows Search Service. A remote user can trick a victim to open a specially crafted file and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59190
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59253
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59198