What is CVE-2026-28710?

CVE-2026-28710 is a critical-severity vulnerability in Acronis Cyber Protect 17, classified under Weak Authentication. CVSS score: 9.8/10. Published 2026-03-06.

How severe is CVE-2026-28710?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Acronis Cyber Protect 17

CVE-2026-28710

Sensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.

Published 2026-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

Acronis Cyber Protect 17 — versions unspecified
Acronis Cyber Protect
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-1390 — Weak Authentication

References

security-advisory.acronis.com/advisories/SEC-9137 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28710?: CVE-2026-28710 is a critical-severity vulnerability in Acronis Cyber Protect 17, classified under Weak Authentication. CVSS score: 9.8/10. Published 2026-03-06.
How severe is CVE-2026-28710?: Critical severity. CVSS v3 base score is 9.8 out of 10.