Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2026-20827

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
13/01/2026
Last modified:
15/01/2026

Description

Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* 10.0.14393.8783 (excluding)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* 10.0.14393.8783 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* 10.0.17763.8276 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* 10.0.17763.8276 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* 10.0.19044.6809 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* 10.0.19045.6809 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* 10.0.22631.6491 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* 10.0.26100.7623 (excluding)
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* 10.0.26200.7623 (excluding)
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* 10.0.14393.8783 (excluding)
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* 10.0.17763.8276 (excluding)
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* 10.0.20348.4648 (excluding)
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* 10.0.25398.2092 (excluding)
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* 10.0.26100.32230 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools