How severe is CVE-2022-45455?

CVE-2022-45455 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45455?

CVE-2022-45455 primarily affects Acronis Agent. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45455?

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

When was CVE-2022-45455 published?

CVE-2022-45455 was published on 2023-02-13 and last updated on 2026-06-17.

CVE-2022-45455

CVE-2022-45455 is a high-severity vulnerability in Acronis Agent with a CVSS 3.x base score of 7.8. 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-459.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-459
Affected product: Acronis Agent
Published: 2023-02-13
Last modified: 2026-06-17

Description

Local privilege escalation due to incomplete uninstallation cleanup. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40107, Acronis Agent (Windows) before build 30025, Acronis Cyber Protect 15 (Windows) before build 30984.

Frequently asked questions

What is CVE-2022-45455?: Local privilege escalation due to incomplete uninstallation cleanup. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40107, Acronis Agent (Windows) before build 30025, Acronis Cyber Protect 15 (Windows) before build 30984.
How severe is CVE-2022-45455?: CVE-2022-45455 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45455?: CVE-2022-45455 primarily affects Acronis Agent. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-45455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45455 published?: CVE-2022-45455 was published on 2023-02-13 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-4459

Affected products (7)

cpe:2.3:a:acronis:agent:*:*:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update2:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update3:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update4:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect_home_office:-:*:*:*:*:*:*:*

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