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Findings

Vulnerability · CVE-2025-29831

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Published May 13, 2025 · corrected/updated Feb 26, 2026 · Microsoft Windows Server 2008 R2 Service Pack 1 · evidence confidence high

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-29831 is a high public vulnerability record for Microsoft Windows Server 2008 R2 Service Pack 1. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Microsoft Windows Server 2008 R2 Service Pack 1 is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 <6.1.7601.27729 (6.1.7601.0 <6.1.7601.27729). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.5 (technical impact); EPSS 101.0% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Technology hubs

Windows

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2025 · EUVD

    Detected

    Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

  2. Feb 26, 2026 · EUVD

    Updated

    Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Affected

  • vendor Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 <6.1.7601.277296.1.7601.0 <6.1.7601.27729

Sources

  • CVE.orgVulnerability recordCVE-2025-29831

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-14433

    Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

    euvd.enisa.europa.eu

References