What is CVE-2026-28727?

CVE-2026-28727 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-03-05.

How severe is CVE-2026-28727?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Acronis Cyber Protect 17

CVE-2026-28727

Local privilege escalation due to insecure Unix socket permissions. The following products are affected: Acronis Cyber Protect 17 (macOS) before build 41186, Acronis Cyber Protect Cloud Agent (macOS) before build 41124, Acronis True Image…

EPSS: 0.000 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Acronis Cyber Protect 17 — versions unspecified
Acronis Cyber Protect Cloud Agent — versions unspecified
Acronis True Image — versions unspecified

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

SEC-9408 (vendor-advisory)

Frequently asked questions

What is CVE-2026-28727?: CVE-2026-28727 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-03-05.
How severe is CVE-2026-28727?: High severity. CVSS v3 base score is 7.8 out of 10.