How severe is CVE-2026-28720?

CVE-2026-28720 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-28720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28720?

CVE-2026-28720 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28720?

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

Does CVE-2026-28720 have an EU (EUVD) identifier?

Yes. CVE-2026-28720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9955.

When was CVE-2026-28720 published?

CVE-2026-28720 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-28720

CVE-2026-28720 is a medium-severity vulnerability in Acronis Cyber Protect with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9955
Weakness: CWE-863
Affected product: Acronis Cyber Protect
Published: 2026-03-06
Last modified: 2026-06-17

Description

Unauthorized modification of settings due to insufficient authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.

Frequently asked questions

What is CVE-2026-28720?: Unauthorized modification of settings due to insufficient authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.
How severe is CVE-2026-28720?: CVE-2026-28720 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-28720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28720?: CVE-2026-28720 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28720?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28720 have an EU (EUVD) identifier?: Yes. CVE-2026-28720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9955.
When was CVE-2026-28720 published?: CVE-2026-28720 was published on 2026-03-06 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-8379

Affected products (1)

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

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