High severity · published Oct 28, 2026
CVE-2025-30414
Local privilege escalation due to improper authentication
New
7.1
CVSS
–
EPSS
No
On KEV
Description
Local privilege escalation due to improper authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Windows) before build 42569, Acronis Cyber Protect 17 (Windows) before build 42587.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Acronis Cyber Protect 17 · Acronis
before 42587 · source: vendor
AC
Acronis Cyber Protect Cloud Agent · Acronis
before 42569 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30414
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30414
security-advisory.acronis.com
https://security-advisory.acronis.com/advisories/SEC-8648
More from Acronis Cyber Protect 17
9.8
CVE-2026-28710
Sensitive information disclosure and manipulation due to improper authentication
7.8
CVE-2026-28727
Local privilege escalation due to insecure Unix socket permissions
7.5
CVE-2026-28718
Denial of service due to insufficient input validation in authentication logging
7.4
CVE-2026-87102
Sensitive information disclosure and manipulation due to improper token validation
7.4
CVE-2026-87103
Sensitive information disclosure and manipulation due to improper token validation