Is CVE-2017-8826 actively exploited?

No active exploitation of CVE-2017-8826 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-8826 be exploited remotely?

No. CVE-2017-8826 requires local access to exploit.

What is the CVSS score of CVE-2017-8826?

CVE-2017-8826 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2017-8826

HIGH

CVE-2017-8826

CWE-119Published: July 5, 2017· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

FastStone Image Viewer 6.2 has a "User Mode Write AV" issue, possibly related to the jpeg_mem_term function in jmemnobs.c in libjpeg. This issue can be triggered by a malformed JPEG file that is mishandled by FSViewer.exe. Attackers could exploit this issue for DoS (Access Violation) or possibly unspecified other impact.

NVD Source

Technical Analysis

CVE-2017-8826 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.