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TI-2026-22938 Aliases CVE-2026-28727GHSA-2qwf-43v4-fqqq

Incorrect default permissions in Acronis Cyber Protect 17

Priority LOW 35CWE-276Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00111 1st percentileScored 2026-11-07
Fix Fixed Acronis Cyber Protect 17 (Acronis): 41186Acronis Cyber Protect Cloud Agent (Acronis): 41124+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AcronisAcronis Cyber Protect 17before 4118641186Patch availableCNA
AcronisAcronis Cyber Protect Cloud Agentbefore 4112441124Patch availableCNA
AcronisAcronis True Imagebefore 4290242902Patch availableCNA
  • Acronis Cyber Protect 17 VendorAcronis Affected before 41186 Fixed in 41186 Patch available CNA
  • Acronis Cyber Protect Cloud Agent VendorAcronis Affected before 41124 Fixed in 41124 Patch available CNA
  • Acronis True Image VendorAcronis Affected before 42902 Fixed in 42902 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:acronis:agent:*:*:*:*:*:*:*:*before c25.10VulnerableAcronis
cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*before 17.0.41186VulnerableAcronis
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:acronis:agent:*:*:*:*:*:*:*:* Versions before c25.10 Vulnerable ·Acronis
  • cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:* Versions before 17.0.41186 Vulnerable ·Acronis
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

  • Fix · CNA Acronis Cyber Protect 17 (Acronis) Fixed in 41186
  • Fix · CNA Acronis Cyber Protect Cloud Agent (Acronis) Fixed in 41124
  • Fix · CNA Acronis True Image (Acronis) Fixed in 42902

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Acronis Cyber Protect 17 41186

    21 records Highest priority Priority MEDIUM 1 MEDIUM, 20 LOW

    Other records, highest priority first

    • TI-2026-22921 Weak authentication in Acronis Cyber Protect 17Priority MEDIUM 43
    • TI-2026-22929 Denial of service due to insufficient input validation in authentication logging.Priority LOW 39
    • TI-2026-22933 Local privilege escalation due to improper soft link handling.Priority LOW 33
  • Release ·

    Acronis Cyber Protect Cloud Agent 41124

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2025-10812 Uncontrolled search path in Acronis Cyber Protect Cloud AgentPriority LOW 33
    • TI-2025-10811 Missing authorization in Acronis Cyber Protect 17Priority LOW 30
    • TI-2025-10810 Incorrect permission assignment in Acronis Cyber Protect Cloud AgentPriority LOW 19

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28727
  2. 2026-10-03 Alias added: GHSA-2qwf-43v4-fqqq

References

Advisory 1

  • TI-2022-22414 Improper privilege management in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
  • TI-2023-22158 Improper privilege management in Acronis Cyber Protect Home Office CVSS 3.1HIGH 7.8
  • TI-2023-22159 Improper signature verification in Acronis Agent CVSS 3.1HIGH 7.8
  • TI-2022-22415 Improper privilege management in Acronis Agent CVSS 3.1HIGH 7.8
  • TI-2022-13037 Information disclosure in Acronis Cyber Protect 15 CVSS 3.1HIGH 7.5
  • TI-2021-13796 Sensitive information in log files in Acronis Agent CVSS 3.1HIGH 7.5
See all 44 →

Sources