How severe is CVE-2019-16294?

CVE-2019-16294 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16294 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16294?

CVE-2019-16294 primarily affects Notepad-plus-plus Notepad++. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-16294?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-16294 published?

CVE-2019-16294 was published on 2019-09-14 and last updated on 2026-06-17.

CVE-2019-16294

CVE-2019-16294 is a high-severity vulnerability in Notepad-plus-plus Notepad++ with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Notepad-plus-plus Notepad++
Published: 2019-09-14
Last modified: 2026-06-17

Description

SciLexer.dll in Scintilla in Notepad++ (x64) before 7.7 allows remote code execution or denial of service via Unicode characters in a crafted .ml file.

Frequently asked questions

What is CVE-2019-16294?: SciLexer.dll in Scintilla in Notepad++ (x64) before 7.7 allows remote code execution or denial of service via Unicode characters in a crafted .ml file.
How severe is CVE-2019-16294?: CVE-2019-16294 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16294 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16294?: CVE-2019-16294 primarily affects Notepad-plus-plus Notepad++. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-16294?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-16294 published?: CVE-2019-16294 was published on 2019-09-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:notepad-plus-plus:notepad\+\+:*:*:*:*:*:*:*:*
cpe:2.3:a:scintilla:scintilla:-:*:*:*:*:*:*:*

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