Improper signature verification in Acronis Cyber Protect Home Office
Priority LOW 35CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-347.
Summary
Local privilege escalation due to unrestricted loading of unsigned libraries. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40208.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00121 1st percentileScored 2026-11-07
Fix Fixed Acronis Cyber Protect Home Office (Acronis): 40208
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Acronis | Acronis Cyber Protect Home Office | before 40208 | 40208 | Patch available | CNA |
- Acronis Cyber Protect Home Office VendorAcronis Affected before 40208 Fixed in 40208 Patch available CNA
Remediation
- Fix · CNA Acronis Cyber Protect Home Office (Acronis) Fixed in 40208
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4418
- 2026-10-03 Alias added: GHSA-9v6r-g5cx-h6fg
References
Advisory 1
More Acronis Cyber Protect Home Office vulnerabilities
- TI-2023-23740 Missing authorization in Acronis Cyber Protect Home Office CVSS 3.1CRITICAL 9.1
- TI-2022-22414 Improper privilege management in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
- TI-2023-22158 Improper privilege management in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
- TI-2022-23213 Link following in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
- TI-2022-23212 Local privilege escalation during recovery due to improper soft link handling. CVSS 3.1HIGH 7.8
- TI-2022-22036 Link following in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
Sources
- CVE-2022-4418 · CVE Program
- CVE-2022-4418 · NVD
- FIRST EPSS
- GHSA-9v6r-g5cx-h6fg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences