How severe is CVE-2022-4956?

CVE-2022-4956 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4956?

CVE-2022-4956 affects Caphyon Advanced Installer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4956?

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-2022-4956 published?

CVE-2022-4956 was published on 2023-09-30 and last updated on 2026-06-17.

CVE-2022-4956

CVE-2022-4956 is a high-severity vulnerability in Caphyon Advanced Installer 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Caphyon Advanced Installer
Published: 2023-09-30
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in Caphyon Advanced Installer 19.7. This affects an unknown part of the component WinSxS DLL Handler. The manipulation leads to uncontrolled search path. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. Upgrading to version 19.7.1 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-240903.

Frequently asked questions

What is CVE-2022-4956?: A vulnerability classified as critical has been found in Caphyon Advanced Installer 19.7. This affects an unknown part of the component WinSxS DLL Handler. The manipulation leads to uncontrolled search path. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. Upgrading to version 19.7.1 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-240903.
How severe is CVE-2022-4956?: CVE-2022-4956 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4956?: CVE-2022-4956 affects Caphyon Advanced Installer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4956?: 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-2022-4956 published?: CVE-2022-4956 was published on 2023-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:caphyon:advanced_installer:19.7:*:*:*:*:*:*:*

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