CVE-2024-38099 — Windows Remote Desktop Licensing Service Denial of Service Vulnerability

Executive Summary

None

Overview

5.9

CVSS MEDIUM

Important

MS Severity

Not Exploited

MS Exploit Status

More Likely

MS Exploit Likelihood

Category Denial of Service

Released Jul 9 2024

Last Updated Jul 9 2024

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.01291 — 0.66489 percentile

NVD CVSS 5.9 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

ATTACK VECTOR

Network

ATTACK COMPLEXITY

High

PRIVILEGES REQUIRED

None

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

None

INTEGRITY

None

AVAILABILITY

High

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 5.2

EPSS Score

0.01291

probability of exploitation in the next 30 days

0.66489 percentile - updated 2026-06-21

View on FIRST.org

Affected Products

10 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 5040499 (Monthly Rollup) 5040490 (Security Only) Important Denial of Service 5039245 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.22769 Yes 5040499 5040490 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5040499 (Monthly Rollup) 5040490 (Security Only) Important Denial of Service 5039245 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.22769 Yes 5040499 5040490 Windows Server 2008 for x64-based Systems Service Pack 2 5040499 (Monthly Rollup) 5040490 (Security Only) Important Denial of Service 5039245 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.22769 Yes 5040499 5040490 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5040499 (Monthly Rollup) 5040490 (Security Only) Important Denial of Service 5039245 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.22769 Yes 5040499 5040490 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5040497 (Monthly Rollup) 5040498 (Security Only) Important Denial of Service 5039289 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.1.7601.27219 Yes 5040497 5040498 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5040497 (Monthly Rollup) 5040498 (Security Only) Important Denial of Service 5039289 Base: 5.9 Temporal: 5.2 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.1.7601.27219 Yes 5040497 5040498 Windows Server 2012	`5040485 (Monthly Rollup)`	Important	Denial of Service	Yes
Windows Server 2012 (Server Core installation)	`5040485 (Monthly Rollup)`	Important	Denial of Service	Yes
Windows Server 2012 R2	`5040456 (Monthly Rollup)`	Important	Denial of Service	Yes
Windows Server 2012 R2 (Server Core installation)	`5040456 (Monthly Rollup)`	Important	Denial of Service	Yes
Windows Server 2016	`5040434 (Security Update)`	Important	Denial of Service	Yes
Windows Server 2016 (Server Core installation)	`5040434 (Security Update)`	Important	Denial of Service	Yes
Windows Server 2019	`5040430 (Security Update)`	Important	Denial of Service	Yes
Windows Server 2019 (Server Core installation)	`5040430 (Security Update)`	Important	Denial of Service	Yes
Windows Server 2022	`5040437 (Security Update)`	Important	Denial of Service	Yes
Windows Server 2022 (Server Core installation)	`5040437 (Security Update)`	Important	Denial of Service	Yes

Patches

5 patches

Article	Type	Restart
`5040485`	Monthly Rollup	Yes
`5040456`	Monthly Rollup	Yes
`5040434`	Security Update	Yes
`5040430`	Security Update	Yes
`5040437`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Philemon Orphee Favrod with Microsoft, Josh Watson with Microsoft, Gus Catalano with Microsoft, Ray Reskusich with Microsoft, Lewis Lee, Chunyang Han, and Zhiniang Peng

References

MSRC Advisory MITRE NVD