What is CVE-2026-28716?

CVE-2026-28716 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Incorrect Authorization. CVSS score: 4.4/10. Published 2026-03-06.

How severe is CVE-2026-28716?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Auth bypass in Acronis Cyber Protect 17

CVE-2026-28716

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

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

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

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisory.acronis.com/advisories/SEC-3687 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28716?: CVE-2026-28716 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Incorrect Authorization. CVSS score: 4.4/10. Published 2026-03-06.
How severe is CVE-2026-28716?: Medium severity. CVSS v3 base score is 4.4 out of 10.