Notepad++ vulnerabilities
- Notepad++ has 22 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #244 of 420 vendors on this site by that count.
- Of the 22 with a CVSS score, 14 (63.6%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 1 vulnerability attributed to Notepad++ is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2025-15556, was added on 12 Feb 2026.
- It is marked as known to be used in ransomware campaigns.
- For the 1 KEV entry with a published CVE record, the median time from CVE publication to KEV listing is 9 days.
Records are attributed to Notepad++ from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 0 |
| 2025 | 1 |
| 2026 | 21 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 21 | 0 | 13 | 61.9% | 0% |
| 2025 | 1 | 0 | 1 | 100% | 0% |
| 2024 | 0 | 0 | 0 | — | — |
| 2023 | 4 | 0 | 1 | 25% | 0% |
| 2022 | 1 | 0 | 1 | 100% | 0% |
| 2021 | 0 | 0 | 0 | — | — |
| 2020 | 0 | 0 | 0 | — | — |
| 2019 | 0 | 0 | 0 | — | — |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 0 | 0 | 0 | — | — |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2025-15556 | Notepad++ | Notepad++ Download of Code Without Integrity Check Vulnerability | 2026-02-12 | Unknown |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Notepad++ records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2025-15556 | 1.8% | 78.1% | High | Yes |
| CVE-2022-32168 | 0.8% | 54.8% | High | No |
| CVE-2025-49144 | 0.7% | 51.3% | High | No |
| CVE-2026-48778 | 0.6% | 49.6% | High | No |
| CVE-2023-40031 | 0.5% | 43.9% | High | No |
| CVE-2026-57233 | 0.5% | 43.3% | High | No |
| CVE-2023-40164 | 0.5% | 43% | Medium | No |
| CVE-2023-40166 | 0.4% | 35.6% | Medium | No |
| CVE-2023-40036 | 0.4% | 31.4% | Medium | No |
| CVE-2026-25926 | 0.3% | 19.6% | High | No |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.