CVE-2026-28716

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{}

{"affected": [{"configurations": [{"platform": ["Linux", "Windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,41186)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "acronis_cyber_protect_17", "vendor": "acronis"}], "analysis": {"en": {"generated_at": "2026-04-16T11:48:27.134429+00:00", "value": {"mitigation_remediation": ["Upgrade Acronis Cyber Protect to build 41186 or later to remove the authorization flaw.", "If a patch cannot be applied immediately, restrict or disable the components that expose the vulnerable functionality and limit privileged access to these services.", "Review audit logs for abnormal data reads or writes and consider implementing stricter access controls in line with CWE\u2011863 best practices."], "summary": {"action": "Immediate Patch", "impact": "Information disclosure and manipulation via improper authorization checks"}, "threat_synthesis": {"affected_systems": "The vulnerability applies to the Linux and Windows editions of Acronis Cyber Protect 17 that run before build 41186. No other versions or products are listed as affected.", "description_and_impact": "Acronis Cyber Protect 17 contains an authorization flaw that allows an attacker to read sensitive data or alter system state beyond the intended privileges. This weakness is catalogued as CWE-863, highlighting that authentication controls are insufficient. Consequently, confidential information may be exposed and data integrity affected, potentially impacting all users of the affected installation.", "risk_and_exploitability": "The CVSS score of 4.4 indicates a moderate risk level, while the EPSS score of less than 1% suggests that the likelihood of exploitation is low at present. The vulnerability is not listed in CISA\u2019s KEV catalog. Attackers would most likely exploit the flaw through an authenticated or local user context, or by abusing a service that allows unauthorized access. Without a direct privilege escalation path, the vector remains limited, but still poses a confidentiality and integrity concern."}}}}, "created": "2026-03-06T14:56:25.750261+00:00", "title": "Improper Authorization Checks in Acronis Cyber Protect 17 Allow Information Disclosure and Manipulation", "updated": "2026-04-16T12:00:11.687819+00:00", "vendors": ["acronis", "acronis$PRODUCT$acronis_cyber_protect_17"]}