CVE-2026-3008
Vulnerability in Notepad++
Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Vulnerability in Notepad++
Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
- Record
CVE-2026-3008- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-134
- Updated
- 2026-11-02
EUVDEUVD-2026-25775
Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
- Record
EUVD-2026-25775- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v6h7-975g-34x5
Successful exploitation of the string injection vulnerability could allow an attacker to obtain...
Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
- Record
GHSA-v6h7-975g-34x5- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-134
- Updated
- 2026-11-02
NVD
Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
- Record
CVE-2026-3008- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-134
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | llgsjsm/CVE-2026-3008 | 2026-04-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3008 is a medium vulnerability (CVSS 6.6) in Notepad++, published April 27, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. No source names a fixed version.
References
csa.gov.sg/alerts-and-advisories/alerts/al-2026-044
community.notepad-plus-plus.org/topic/27500/notepad-v8-9-4-release-candidate
github.com/llgsjsm/cve-2026-3008
llgsjsm.github.io/cve-2026-3008
nvd.nist.gov/vuln/detail/CVE-2026-3008