What is CVE-2022-28964?

CVE-2022-28964 is a high-severity vulnerability in Avast Premium Security, classified under Untrusted Search Path. CVSS score: 7.1/10. Published 2022-05-20.

How severe is CVE-2022-28964?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Avast Premium Security

CVE-2022-28964

An arbitrary file write vulnerability in Avast Premium Security before v21.11.2500 (build 21.11.6809.528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file.

Published 2022-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Avast Premium Security

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST1 (Third Party Advisory)
forum.avast.com/index.php (Vendor Advisory)

Frequently asked questions

What is CVE-2022-28964?: CVE-2022-28964 is a high-severity vulnerability in Avast Premium Security, classified under Untrusted Search Path. CVSS score: 7.1/10. Published 2022-05-20.
How severe is CVE-2022-28964?: High severity. CVSS v3 base score is 7.1 out of 10.