What is CVE-2022-31902?

CVE-2022-31902 is a medium-severity vulnerability in Notepad-Plus-Plus Notepad\+\+, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-02-01.

How severe is CVE-2022-31902?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-31902 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Notepad-Plus-Plus Notepad\+\+

CVE-2022-31902

Notepad++ v8.4.1 was discovered to contain a stack overflow via the component Finder::add().

Vulnerability class: Buffer Overflow

Published 2023-02-01 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Notepad-Plus-Plus Notepad\+\+

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
github.com/CDACesec/CVE-2022-31902 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-31902?: CVE-2022-31902 is a medium-severity vulnerability in Notepad-Plus-Plus Notepad\+\+, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-02-01.
How severe is CVE-2022-31902?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-31902 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.