How severe is CVE-2022-40657?

CVE-2022-40657 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-2022-40657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40657?

CVE-2022-40657 affects Nikon Nis-elements Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40657?

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-2022-40657 published?

CVE-2022-40657 was published on 2022-09-15 and last updated on 2026-06-17.

CVE-2022-40657

CVE-2022-40657 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
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 1.2100.1483.0. 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 PSD files. Crafted data in a PSD file can trigger a write 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-15073.

Frequently asked questions

What is CVE-2022-40657?: This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements Viewer 1.2100.1483.0. 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 PSD files. Crafted data in a PSD file can trigger a write 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-15073.
How severe is CVE-2022-40657?: CVE-2022-40657 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-2022-40657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40657?: CVE-2022-40657 affects Nikon Nis-elements Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40657?: 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-2022-40657 published?: CVE-2022-40657 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:1.2100.1483.0:*:*:*:*:*:*:*

More vulnerabilities in Nikon Nis-elements Viewer

CVE-2022-40663 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…
CVE-2022-40662 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…
CVE-2022-40661 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…
CVE-2022-40660 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…
CVE-2022-40659 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…
CVE-2022-40658 — High (CVSS 7.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements…

All CVEs affecting Nikon Nis-elements Viewer →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →