OnlyPatch
Remote Desktop Gateway Service

CVE-2025-29967 — Remote Desktop Client Remote Code Execution Vulnerability

Critical CVSS 8.8 EPSS 0.0109 2025-05 archive

Executive Summary

Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Weakness CWE-122: Heap-based Buffer Overflow
Released May 13 2025
Last Updated May 13 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.0109 — 0.61916 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.0109
probability of exploitation in the next 30 days
0.61916 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

28 affected products
Product KB Article Severity Impact Restart Required
Remote Desktop client for Windows Desktop Release Notes (Security Update) Critical Remote Code Execution Maybe
Windows 10 for 32-bit Systems 5058387 (Security Update) Critical Remote Code Execution Yes
Windows 10 for x64-based Systems 5058387 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1607 for 32-bit Systems 5058383 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1607 for x64-based Systems 5058383 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1809 for 32-bit Systems 5058392 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1809 for x64-based Systems 5058392 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for 32-bit Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for ARM64-based Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for x64-based Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 22H2 for 32-bit Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 22H2 for ARM64-based Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 22H2 for x64-based Systems 5058379 (Security Update) Critical Remote Code Execution Yes
Windows 11 Version 22H2 for ARM64-based Systems 5058405 (Security Update) Critical Remote Code Execution Yes
Windows 11 Version 22H2 for x64-based Systems 5058405 (Security Update) Critical Remote Code Execution Yes
Windows 11 Version 23H2 for ARM64-based Systems 5058405 (Security Update) Critical Remote Code Execution Yes
Windows 11 Version 23H2 for x64-based Systems 5058405 (Security Update) Critical Remote Code Execution Yes
Windows 11 Version 24H2 for ARM64-based Systems 5058411 (Security Update) 5058497 (SecurityHotpatchUpdate) Critical Remote Code Execution 5055523 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.4061 10.0.26100.3981 Yes None Windows 11 Version 24H2 for x64-based Systems 5058411 (Security Update) 5058497 (SecurityHotpatchUpdate) Critical Remote Code Execution 5055523 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.26100.4061 10.0.26100.3981 Yes None Windows App Client for Windows Desktop Release Notes (Security Update) Critical Remote Code Execution Maybe
Windows Server 2008 R2 for x64-based Systems Service Pack 1 5058430 (Monthly Rollup) 5058454 (Security Only) Critical Remote Code Execution 5055561 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27729 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5058430 (Monthly Rollup) 5058454 (Security Only) Critical Remote Code Execution 5055561 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27729 Yes None Windows Server 2012 5058451 (Monthly Rollup) Critical Remote Code Execution Yes
Windows Server 2012 (Server Core installation) 5058451 (Monthly Rollup) Critical Remote Code Execution Yes
Windows Server 2012 R2 5058403 (Monthly Rollup) Critical Remote Code Execution Yes
Windows Server 2012 R2 (Server Core installation) 5058403 (Monthly Rollup) Critical Remote Code Execution Yes
Windows Server 2016 5058383 (Security Update) Critical Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 5058383 (Security Update) Critical Remote Code Execution Yes
Windows Server 2019 5058392 (Security Update) Critical Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5058392 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022 5058385 (Security Update) 5058500 (SecurityHotpatchUpdate) Critical Remote Code Execution 5055526 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.3692 10.0.20348.3630 Yes None Windows Server 2022 (Server Core installation) 5058385 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022, 23H2 Edition (Server Core installation) 5058384 (Security Update) Critical Remote Code Execution Yes

Patches

10 patches
Article Type Restart
Release Notes Security Update Maybe
5058387 Security Update Yes
5058383 Security Update Yes
5058392 Security Update Yes
5058379 Security Update Yes
5058405 Security Update Yes
5058451 Monthly Rollup Yes
5058403 Monthly Rollup Yes
5058385 Security Update Yes
5058384 Security Update Yes

Known Exploits

Acknowledgments

Nicholas Vadasz

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