# CVE-2025-12815

## Summary

- **CVE ID:** CVE-2025-12815
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N)
- **CWE:** CWE-283
- **Published:** Nov 6, 2025
- **Last Modified:** Mar 13, 2026

## Description

An ownership verification issue in the Virtual Desktop preview page in the Research and Engineering Studio (RES) on AWS before version 2025.09 may allow an authenticated remote user to view another user's active desktop session metadata, including periodical desktop preview screenshots. 

To mitigate this issue, users should upgrade to version 2025.09 or above.

## Affected Products

- AWS — Research and Engineering Studio (RES) (2025.09)

## References

- [CNA](https://aws.amazon.com/security/security-bulletins/AWS-2025-026/)
- [CNA](https://github.com/aws/res/releases/tag/2025.09)
- [CNA](https://github.com/aws/res/security/advisories/GHSA-x3cx-g8g9-75hv)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.29%
- **EPSS Percentile:** 21.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._