QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-20847

Back to search

CVE-2026-20847

Published: Jan 13, 2026

Modified: Apr 1, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

VendorProductVersions

Microsoft

Windows 10 Version 1607

affected
10.0.14393.0 - < 10.0.14393.8783

Microsoft

Windows 10 Version 1809

affected
10.0.17763.0 - < 10.0.17763.8276

Microsoft

Windows 10 Version 21H2

affected
10.0.19044.0 - < 10.0.19044.6809

Microsoft

Windows 10 Version 22H2

affected
10.0.19045.0 - < 10.0.19045.6809

Microsoft

Windows 11 version 22H3

affected
10.0.22631.0 - < 10.0.22631.6491

Microsoft

Windows 11 Version 23H2

affected
10.0.22631.0 - < 10.0.22631.6491

Microsoft

Windows 11 Version 24H2

affected
10.0.26100.0 - < 10.0.26100.7623

Microsoft

Windows 11 Version 25H2

affected
10.0.26200.0 - < 10.0.26200.7623

Microsoft

Windows Server 2008 R2 Service Pack 1

affected
6.1.7601.0 - < 6.1.7601.28117

Microsoft

Windows Server 2008 R2 Service Pack 1 (Server Core installation)

affected
6.1.7601.0 - < 6.1.7601.28117

Microsoft

Windows Server 2012

affected
6.2.9200.0 - < 6.2.9200.25868

Microsoft

Windows Server 2012 (Server Core installation)

affected
6.2.9200.0 - < 6.2.9200.25868

Microsoft

Windows Server 2012 R2

affected
6.3.9600.0 - < 6.3.9600.22968

Microsoft

Windows Server 2012 R2 (Server Core installation)

affected
6.3.9600.0 - < 6.3.9600.22968

Microsoft

Windows Server 2016

affected
10.0.14393.0 - < 10.0.14393.8783

Microsoft

Windows Server 2016 (Server Core installation)

affected
10.0.14393.0 - < 10.0.14393.8783

Microsoft

Windows Server 2019

affected
10.0.17763.0 - < 10.0.17763.8276

Microsoft

Windows Server 2019 (Server Core installation)

affected
10.0.17763.0 - < 10.0.17763.8276

Microsoft

Windows Server 2022

affected
10.0.20348.0 - < 10.0.20348.4648

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

affected
10.0.25398.0 - < 10.0.25398.2092

Microsoft

Windows Server 2025

affected
10.0.26100.0 - < 10.0.26100.32230

Microsoft

Windows Server 2025 (Server Core installation)

affected
10.0.26100.0 - < 10.0.26100.32230

Weaknesses (CWE)

CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now