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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-20841

CVE-2026-20841

HIGH7.8

Windows Notepad App Remote Code Execution Vulnerability

Published Feb 10, 2026

Modified 3 days ago

References

ADVISORYhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841 WEBhttps://news.ycombinator.com/item?id=46971516 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2026-20841

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/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

Weakness Type (CWE)

Input Validation

Command Injection

Ecosystems

Timeline

PublishedFeb 10, 2026

ModifiedFeb 20, 2026

CVE-2026-20841 | Mondoo Vulnerability Intelligence