Is CVE-2017-8803 actively exploited?

CVE-2017-8803 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-8803?

CVE-2017-8803 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-8803?

Patch guidance is available from mh-nexus security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-8803.

Which products are affected by CVE-2017-8803?

1 product: mh-nexus hex editor.

Fix CVE-2017-8803 - HIGH mh-nexus hex editor

Description

Notepad++ 7.3.3 (32-bit) with Hex Editor Plugin v0.9.5 might allow user-assisted attackers to execute code via a crafted file, because of a "Data from Faulting Address controls Code Flow" issue. One threat model is a victim who obtains an untrusted crafted file from a remote location and issues several user-defined commands.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: MH-NEXUS
Published: 7/5/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-8803

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary