CVE-2026-20841

HIGH

7.8

Description

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

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/10/2026

Last Modified2/25/2026

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windows_notepad

Weaknesses (CWE)

CWE-77

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841(secure@microsoft.com)

https://news.ycombinator.com/item?id=46971516(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.