How severe is CVE-2022-40656?

CVE-2022-40656 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-2022-40656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40656?

CVE-2022-40656 affects Nikon Nis-elements Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40656?

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-2022-40656 published?

CVE-2022-40656 was published on 2022-09-15 and last updated on 2026-06-17.

CVE-2022-40656

CVE-2022-40656 is a high-severity vulnerability in Nikon Nis-elements 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Nikon Nis-elements Viewer
Published: 2022-09-15
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements Viewer 13.2.0.21165. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ND2 files. Crafted data in a ND2 file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15072.

Frequently asked questions

What is CVE-2022-40656?: This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements Viewer 13.2.0.21165. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ND2 files. Crafted data in a ND2 file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15072.
How severe is CVE-2022-40656?: CVE-2022-40656 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-2022-40656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40656?: CVE-2022-40656 affects Nikon Nis-elements Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40656?: 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-2022-40656 published?: CVE-2022-40656 was published on 2022-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nikon:nis-elements_viewer:13.2.0.21165:*:*:*:*:*:*:*

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