SB20260114102 - Multiple vulnerabilities in Microsoft NTLM Hash

Description

This security bulletin contains information about 2 vulnerabilities.

1) External Control of File Name or Path (CVE-ID: CVE-2026-20925)

CWE-ID: CWE-73 - External Control of File Name or Path

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

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to external control of file name or path in NTLM Hash. A remote attacker can gain access to sensitive information on the target system.

2) External Control of File Name or Path (CVE-ID: CVE-2026-20872)

CWE-ID: CWE-73 - External Control of File Name or Path

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

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to external control of file name or path in NTLM Hash. A remote attacker can gain elevated privileges on the system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20925
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20872