What is CVE-2026-87880?

CVE-2026-87880 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Improper Certificate Validation. CVSS score: 6.8/10. Published 2026-10-28.

How severe is CVE-2026-87880?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Acronis Cyber Protect 17

CVE-2026-87880

Sensitive information disclosure due to missing SSL certificate verification affecting one component. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.

Vulnerability class: Improper Certificate Validation

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Acronis Cyber Protect 17

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security-advisory.acronis.com/advisories/SEC-10681 (vendor-advisory)

Frequently asked questions

What is CVE-2026-87880?: CVE-2026-87880 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Improper Certificate Validation. CVSS score: 6.8/10. Published 2026-10-28.
How severe is CVE-2026-87880?: Medium severity. CVSS v3 base score is 6.8 out of 10.