What’s Vulnerable › Vulnerabilities

CVE-2022-28965

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-20 · updated 2026-06-17
• Weakness: CWE-427

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.

Affected products

• Avast Premium Security: before 21.11.2500 — fixed in 21.11.2500

How to fix

Upgrade to a fixed version: Avast Premium Security 21.11.2500. Check the vendor advisory for mitigations.

References

• https://forum.avast.com/index.php?topic=318305.0
• https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2
• https://forum.avast.com/index.php?topic=318305.0
• https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2

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