What is CVE-2026-87878?

CVE-2026-87878 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2026-10-28.

How severe is CVE-2026-87878?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Acronis Cyber Protect 17

CVE-2026-87878

Linux binaries have executable stack attribute enabled. The following products are affected: Acronis Cyber Protect 17 (Linux) before build 42587.

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

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/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-693 — Protection Mechanism Failure

References

security-advisory.acronis.com/advisories/SEC-10003 (vendor-advisory)

Frequently asked questions

What is CVE-2026-87878?: CVE-2026-87878 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2026-10-28.
How severe is CVE-2026-87878?: Medium severity. CVSS v3 base score is 6.3 out of 10.