How severe is CVE-2017-8826?

CVE-2017-8826 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-2017-8826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8826?

CVE-2017-8826 affects Faststone Image Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8826?

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-2017-8826 published?

CVE-2017-8826 was published on 2017-07-05 and last updated on 2026-06-17.

CVE-2017-8826

CVE-2017-8826 is a high-severity vulnerability in Faststone Image Viewer 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Faststone Image Viewer
Published: 2017-07-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-8826?: 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.
How severe is CVE-2017-8826?: CVE-2017-8826 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-2017-8826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8826?: CVE-2017-8826 affects Faststone Image Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8826?: 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-2017-8826 published?: CVE-2017-8826 was published on 2017-07-05 and last updated on 2026-06-17.

References

https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-8826

Affected products (1)

cpe:2.3:a:faststone:image_viewer:6.2:*:*:*:*:*:*:*

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