Vulnerability in Notepad++

CVE-2026-3008

Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.

EPSS: 0.000 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.

Affected products

Notepad++ — versions 8.9.3

Public proof-of-concept exploits

llgsjsm/cve-2026-3008

References

Frequently asked questions

What is CVE-2026-3008?: CVE-2026-3008 is a medium-severity vulnerability in Notepad++. CVSS score: 6.6/10. Published 2026-04-27.
How severe is CVE-2026-3008?: Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2026-3008 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.