CVE-2026-20841

HIGH EPSS 95.5%

Published Feb 10, 20264mo ago · Modified Feb 25, 20264mo ago

7.8 CVSS 3.1

High

Published Feb 10, 2026 4mo ago

Last Modified Feb 25, 2026 4mo ago

Description

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

CVSS Details

Base Score

7.8

Exploitability

1.8

Impact

5.9

Vector string

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

Attack Vector Local

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

95.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-77 Command Injection Injection

Affected Products 1

Vendor	Product	Version	Range
microsoft	windows_notepad	*	<11.2510

References 2

msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841

Vendor Advisory
news.ycombinator.com https://news.ycombinator.com/item?id=46971516

Issue Tracking

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.