What is CVE-2026-28718?

CVE-2026-28718 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under CWE-779. CVSS score: 7.5/10. Published 2026-03-06.

How severe is CVE-2026-28718?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Acronis Cyber Protect 17

CVE-2026-28718

Denial of service due to insufficient input validation in authentication logging. 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 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.5th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003

Affected products

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

Weakness classification (CWE)

CWE-779

References

security-advisory.acronis.com/advisories/SEC-8377 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28718?: CVE-2026-28718 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under CWE-779. CVSS score: 7.5/10. Published 2026-03-06.
How severe is CVE-2026-28718?: High severity. CVSS v3 base score is 7.5 out of 10.