CVE-2025-26644

Windows Hello Spoofing Vulnerability

Severity Score

5.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-02-12 CVE Reserved
2025-04-08 CVE Published
2025-04-09 EPSS Updated
2025-04-12 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1039: Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26644	2025-04-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 10 Version 1809 Search vendor "Microsoft" for product "Windows 10 Version 1809"				>= 10.0.17763.0 < 10.0.17763.7137 Search vendor "Microsoft" for product "Windows 10 Version 1809" and version " >= 10.0.17763.0 < 10.0.17763.7137"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				>= 10.0.17763.0 < 10.0.17763.7137 Search vendor "Microsoft" for product "Windows Server 2019" and version " >= 10.0.17763.0 < 10.0.17763.7137"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)"				>= 10.0.17763.0 < 10.0.17763.7137 Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)" and version " >= 10.0.17763.0 < 10.0.17763.7137"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 21H2 Search vendor "Microsoft" for product "Windows 10 Version 21H2"				>= 10.0.19043.0 < 10.0.19044.5737 Search vendor "Microsoft" for product "Windows 10 Version 21H2" and version " >= 10.0.19043.0 < 10.0.19044.5737"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 22H2 Search vendor "Microsoft" for product "Windows 11 Version 22H2"				>= 10.0.22621.0 < 10.0.22621.5191 Search vendor "Microsoft" for product "Windows 11 Version 22H2" and version " >= 10.0.22621.0 < 10.0.22621.5191"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 22H2 Search vendor "Microsoft" for product "Windows 10 Version 22H2"				>= 10.0.19045.0 < 10.0.19045.5737 Search vendor "Microsoft" for product "Windows 10 Version 22H2" and version " >= 10.0.19045.0 < 10.0.19045.5737"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2025 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)"				>= 10.0.26100.0 < 10.0.26100.3775 Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)" and version " >= 10.0.26100.0 < 10.0.26100.3775"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 22H3 Search vendor "Microsoft" for product "Windows 11 Version 22H3"				>= 10.0.22621.5191 < 10.0.22631.0 Search vendor "Microsoft" for product "Windows 11 Version 22H3" and version " >= 10.0.22621.5191 < 10.0.22631.0"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 23H2 Search vendor "Microsoft" for product "Windows 11 Version 23H2"				>= 10.0.22631.0 < 10.0.22631.5191 Search vendor "Microsoft" for product "Windows 11 Version 23H2" and version " >= 10.0.22631.0 < 10.0.22631.5191"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 24H2 Search vendor "Microsoft" for product "Windows 11 Version 24H2"				>= 10.0.26100.0 < 10.0.26100.3775 Search vendor "Microsoft" for product "Windows 11 Version 24H2" and version " >= 10.0.26100.0 < 10.0.26100.3775"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2025 Search vendor "Microsoft" for product "Windows Server 2025"				>= 10.0.26100.0 < 10.0.26100.3775 Search vendor "Microsoft" for product "Windows Server 2025" and version " >= 10.0.26100.0 < 10.0.26100.3775"		en		Affected