What is CVE-2022-4418?

CVE-2022-4418 is a high-severity vulnerability in Acronis Cyber Protect Home Office, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2023-05-18.

How severe is CVE-2022-4418?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Acronis Cyber Protect Home Office

CVE-2022-4418

Local privilege escalation due to unrestricted loading of unsigned libraries. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40208.

Published 2023-05-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.8th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Acronis Cyber Protect Home Office — versions unspecified
Acronis Cyber Protect Home Office
Microsoft Windows

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

security-advisory.acronis.com/advisories/SEC-4729 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-4418?: CVE-2022-4418 is a high-severity vulnerability in Acronis Cyber Protect Home Office, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2023-05-18.
How severe is CVE-2022-4418?: High severity. CVSS v3 base score is 7.8 out of 10.