SB2026011422 - Multiple vulnerabilities in Microsoft Windows Hello

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Main Vulnerability Database SB2026011422

SB2026011422 - Multiple vulnerabilities in Microsoft Windows Hello

Published: January 14, 2026

Security Bulletin ID SB2026011422
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect Privilege Assignment (CVE-ID: CVE-2026-20804)

CWE-ID: CWE-266 - Incorrect Privilege Assignment

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


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

The vulnerability exists due to incorrect privilege assignment in Windows Hello. A local attacker can perform tampering on the system.


2) Incorrect Privilege Assignment (CVE-ID: CVE-2026-20852)

CWE-ID: CWE-266 - Incorrect Privilege Assignment

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


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

The vulnerability exists due to incorrect privilege assignment in Windows Hello. A local attacker can perform tampering on the system.


Remediation

Install update from vendor's website.

References