Critical severity · published Mar 5, 2026
CVE-2026-28710
Sensitive information disclosure and manipulation due to improper authentication
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Sensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Acronis Cyber Protect 17 · Acronis
before 41186 · source: vendor
CP
Cyber Protect · Acronis
before 17.0.41186 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28710
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28710
Vendor Advisory
https://security-advisory.acronis.com/advisories/SEC-9137
More from Acronis Cyber Protect 17
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
7.3
CVE-2026-28722
Local privilege escalation due to improper soft link handling
