How severe is CVE-2022-28965?

CVE-2022-28965 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-28965 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28965?

CVE-2022-28965 affects Avast Premium Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28965?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-28965 published?

CVE-2022-28965 was published on 2022-05-20 and last updated on 2026-06-17.

CVE-2022-28965

CVE-2022-28965 is a medium-severity vulnerability in Avast Premium Security with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.4
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Avast Premium Security
Published: 2022-05-20
Last modified: 2026-06-17

Description

Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.

Frequently asked questions

What is CVE-2022-28965?: Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.
How severe is CVE-2022-28965?: CVE-2022-28965 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-28965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28965?: CVE-2022-28965 affects Avast Premium Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28965?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-28965 published?: CVE-2022-28965 was published on 2022-05-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:avast:premium_security:*:*:*:*:*:*:*:*

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