Search/CVE-2023-40031
● CVE — High

CVE-2023-40031

Vendornotepad-plus-plusProductnotepad++DiscoveredAug 25, 2023UpdatedNov 21, 2024

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer write overflow in Utf8_16_Read::convert. This issue may lead to arbitrary code execution. As of time of publication, no known patches are available in existing versions of Notepad++.

View graph Watch Export
CVSS v3.1
7.8 HIGH
EPSS
0.52%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Aug 29, 2026
▲ 0.03pp
0.49% → 0.52% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Aug 25, 2023
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Public PoC (1)
github.com/webraybtl/CVE-2023-40031
Unverified third-party code — review before executing.