Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code locally.

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Vendors Products
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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 12 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
Description Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code over a network. Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code locally.
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Wed, 11 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows Notepad
Vendors & Products Microsoft windows Notepad

Wed, 11 Feb 2026 15:30:00 +0000

Type Values Removed Values Added
References

Tue, 10 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code over a network.
Title Windows Notepad App Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft window Notepad
Weaknesses CWE-77
CPEs cpe:2.3:a:microsoft:window_notepad:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft window Notepad
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-20T21:52:48.655Z

Reserved: 2025-12-03T05:54:20.376Z

Link: CVE-2026-20841

cve-icon Vulnrichment

Updated: 2026-02-11T14:53:10.118Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-02-10T18:16:22.643

Modified: 2026-02-12T20:16:05.143

Link: CVE-2026-20841

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-11T21:52:12Z

Weaknesses