CVE-2026-28727

Home/CVE/Local privilege escalation due to insecure Unix socket permissions. The following products are affected: Acronis Cyber P

CVE

Local privilege escalation due to insecure Unix socket permissions. The following products are affected: Acronis Cyber P

Local privilege escalation due to insecure Unix socket permissions. The following products are affected: Acronis Cyber Protect 17 (macOS) before build 41186, Acronis Cyber Protect Cloud Agent (macOS) before build 41124, Acronis True Image (macOS) before build 42902.

HIGH · CVSS 7.8 EPSS 0.00016

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules13 YARA rules0

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Weakness Classification

CWE-276Incorrect Default Permissions

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Affected Products & Versions

acronis agent< c25.10

acronis cyber protect< 17.0.41186

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productcriticalWMI Backdoor Exchange Transport Agent

productcriticalHackTool - BabyShark Agent Default URL Pattern

producthighSuspicious Windows Update Agent Empty Cmdline

producthighSuspicious BitLocker Access Agent Update Utility Execution

producthighAtera Agent Installation

producthighSuspicious Microsoft Office Child Process - MacOS

Show all 13 top matchesproducthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
productmediumSuspicious MacOS Firmware Activity
productmediumDisk Image Mounting Via Hdiutil - MacOS

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Scoring & Timeline

7.8

HIGH · CVSS v3.0 · security@acronis.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD06 Mar 2026 · 12:16 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://security-advisory.acronis.com/advisories/SEC-9408Vendor Advisory

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