How severe is CVE-2026-28717?

CVE-2026-28717 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-28717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28717?

CVE-2026-28717 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28717 have an EU (EUVD) identifier?

Yes. CVE-2026-28717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9952.

When was CVE-2026-28717 published?

CVE-2026-28717 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-28717

CVE-2026-28717 is a medium-severity vulnerability in Acronis Cyber Protect with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9952
Weakness: CWE-276
Affected product: Acronis Cyber Protect
Published: 2026-03-06
Last modified: 2026-06-17

Description

Local privilege escalation due to improper directory permissions. The following products are affected: Acronis Cyber Protect 17 (Windows) before build 41186.

Frequently asked questions

What is CVE-2026-28717?: Local privilege escalation due to improper directory permissions. The following products are affected: Acronis Cyber Protect 17 (Windows) before build 41186.
How severe is CVE-2026-28717?: CVE-2026-28717 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-28717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28717?: CVE-2026-28717 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28717 have an EU (EUVD) identifier?: Yes. CVE-2026-28717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9952.
When was CVE-2026-28717 published?: CVE-2026-28717 was published on 2026-03-06 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-8363

Affected products (1)

cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*

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