CVE-2024-49116Network attack vector

Unauthenticated code execution via RD Gateway race

Published Dec 10, 2024 · Updated Jun 9, 2026

Use-after-free in Microsoft Windows Remote Desktop Services allows remote attackers to execute arbitrary code through an RD Gateway connection. A connection to a server with the Remote Desktop Gateway role can trigger a race condition that leaves RDS using freed memory. The Gateway role must be enabled and reachable; exploitation requires winning the race, but successful attacks run arbitrary code on the server.

CVSS severity8.1
High
EPSS probability10.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Microsoft Windows Remote Desktop Services allows remote attackers to execute arbitrary code through an RD Gateway connection. A connection to a server with the Remote Desktop Gateway role can trigger a race condition that leaves RDS using freed memory. The Gateway role must be enabled and reachable; exploitation requires winning the race, but successful attacks run arbitrary code on the server.

The record

CVE
CVE-2024-49116
Published
Dec 10, 2024
Updated
Jun 9, 2026
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-416, CWE-362, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.17763.0 <10.0.17763.7009

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.7009
Microsoft · Windows Server 2025 (Server Core installation)version=10.0.26100.0 <10.0.26100.2605
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.7876
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)version=10.0.25398.0 <10.0.25398.1308
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.7876
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.7009
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2966
Microsoft · Windows Server 2025version=10.0.26100.0 <10.0.26100.2605

Published CVSS scores

8.1MicrosoftCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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