How severe is CVE-2026-28710?

CVE-2026-28710 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-28710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28710?

CVE-2026-28710 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28710?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-28710 have an EU (EUVD) identifier?

Yes. CVE-2026-28710 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9945.

When was CVE-2026-28710 published?

CVE-2026-28710 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-28710

CVE-2026-28710 is a critical-severity vulnerability in Acronis Cyber Protect with a CVSS 3.x base score of 9.8. 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-1390.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9945
Weakness: CWE-1390
Affected product: Acronis Cyber Protect
Published: 2026-03-06
Last modified: 2026-06-17

Description

Sensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.

Frequently asked questions

What is CVE-2026-28710?: Sensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.
How severe is CVE-2026-28710?: CVE-2026-28710 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28710?: CVE-2026-28710 affects Acronis Cyber Protect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-28710 have an EU (EUVD) identifier?: Yes. CVE-2026-28710 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9945.
When was CVE-2026-28710 published?: CVE-2026-28710 was published on 2026-03-06 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-9137

Affected products (1)

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

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