Is CVE-2026-46710 in the CISA KEV catalog?

No. CVE-2026-46710 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-46710?

CVE-2026-46710 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2026-46710?

CVE-2026-46710 has an EPSS score of 0.11% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-46710?

Upgrade notepad\+\+ to 8.9.6 or later.

CVE & CISA-KEV Catalog

CVE-2026-46710

HIGH

7.8

CVSS v3

NVD

Description

Notepad++ is a free and open-source source code editor. From 8.9.4 until 8.9.6, Notepad++ contains a local privilege escalation vulnerability in the installer. During installation, the installer invokes powershell.exe without using an absolute path after setting the working directory to the installation contextMenu directory. If an attacker can pre-place a malicious powershell.exe in a user-writable custom installation directory, and a privileged user later runs the installer and selects that directory, the attacker-controlled executable is launched with the elevated privileges of the installer. This vulnerability is fixed in 8.9.6.

CWE-426

How to fix

Remediation Available

notepad\+\+NVD

Affected:>= 8.9.4, < 8.9.6Fixed in:8.9.6CVE-2026-46710derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.11%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Patch2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-29.