How many CVEs does Notepad++ have?

Notepad++ has 5 published CVE records since 2007, including 3 in the last two years.

How many Notepad++ CVEs are in CISA KEV?

None of Notepad++'s CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which Notepad++ products have the most CVEs?

The Notepad++ products with the most published CVEs are Notepad++, Notepad++ v8.8.3.

What are the most common weakness types in Notepad++ CVEs?

Notepad++'s CVEs most often map to these CWE weakness types: CWE-134 (Use of Externally-Controlled Format String), CWE-427 (Uncontrolled Search Path Element).

Are there public exploits for Notepad++ vulnerabilities?

Yes — 3 of Notepad++'s CVEs have a known public exploit.

What is the average severity of Notepad++ CVEs?

The average CVSS base score across Notepad++'s scored CVEs is 6.9.

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5 CVEs

Notepad++ Vulnerabilities

Name: Notepad++ vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Notepad++.

5

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

3

Public exploits

PoC or exploit code

6.9

Avg CVSS

2007–2026

Overview

Notepad++ has 5 published CVE records since 2007, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 3 have a known public exploit. The average CVSS base score across scored CVEs is 6.9.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Notepad++ products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Notepad++'s vulnerability posture, as a share of its 5 published CVEs.

Average CVSS: 6.9
Critical / high: 60%
Actively exploited (KEV): 0%
Public exploit available: 60%
Patch available: 40%

Severity and exploitation

How the CVSS severity of Notepad++'s CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical0

High3

Medium2

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Notepad++'s CVEs are currently listed in CISA's KEV catalog.

Public exploits

3

3 of Notepad++'s CVEs have a known public exploit available.

Most affected products

The Notepad++ products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Notepad++ CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Notepad++ CVE records.

Disclosure activity by year

How many Notepad++ CVEs were published each year.

2007

1

2008

1

2025

1

2026

2

Latest Notepad++ CVEs

The most recently disclosed vulnerabilities affecting Notepad++.

Notepad++ 8.9.3 Format String Injection via nativeLang.xml
CWE-134
Medium · CVSS 4.6
EPSS 0.2%2026-04-30
Vulnerability in Notepad++
CWE-134
Medium · CVSS 6.6
EPSS 0.2%2026-04-27
High vulnerability · 2025-09-26
CWE-427
High · CVSS 8.4
EPSS 0.4%2025-09-26
High vulnerability · 2008-08-01
High · CVSS 7.5
EPSS 1.8%2008-08-01
High vulnerability · 2007-05-14
High · CVSS 7.6
EPSS 15.2%2007-05-14

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Frequently asked questions

Common questions about Notepad++ vulnerabilities.

How many CVEs does Notepad++ have?: Notepad++ has 5 published CVE records since 2007, including 3 in the last two years.
How many Notepad++ CVEs are in CISA KEV?: None of Notepad++'s CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Notepad++ products have the most CVEs?: The Notepad++ products with the most published CVEs are Notepad++, Notepad++ v8.8.3.
What are the most common weakness types in Notepad++ CVEs?: Notepad++'s CVEs most often map to these CWE weakness types: CWE-134 (Use of Externally-Controlled Format String), CWE-427 (Uncontrolled Search Path Element).
Are there public exploits for Notepad++ vulnerabilities?: Yes — 3 of Notepad++'s CVEs have a known public exploit.
What is the average severity of Notepad++ CVEs?: The average CVSS base score across Notepad++'s scored CVEs is 6.9.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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