CVE-2017-8803

Name: CVE-2017-8803
Creator: NVD / NIST
Published: 2017-07-05T20:29:03.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2017-8803 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.64%

73.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mh-Nexus	Hex Editor	0.9.5

References

https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-8803Third Party Advisory
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-8803Third Party Advisory

Timeline

Published: Jul 5, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8803?

How severe is CVE-2017-8803?

CVE-2017-8803 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8803?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8803?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST