CVE-2025-30414 Acronis Cyber Protect - Privilege Escalation

Acronis Cyber Protect Cloud Agent (Windows) < 42569 and Acronis Cyber Protect 17 (Windows) < 42587 contain a privilege escalation caused by improper authentication, letting local attackers escalate privileges, exploit requires local access.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-1390

Vendor fix

Update to build 42569 or later for Cloud Agent and build 42587 or later for Cyber Protect 17.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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