CVE-2025-27487

Remote Desktop Client Remote Code Execution Vulnerability

CVE-2025-27487 is fixed in 33 products on 1 platform, first by KB5055521, released April 8, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.0
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0152
74th percentile

<p>Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.7969 KB5055521 Apr 8, 2025
Windows 10 Version 1607 for x64-based Systems 14393.7969 KB5055521 Apr 8, 2025
Windows 10 Version 1809 for 32-bit Systems 17763.7136 KB5055519 Apr 8, 2025
Windows 10 Version 1809 for x64-based Systems 17763.7136 KB5055519 Apr 8, 2025
Windows 10 Version 21H2 for 32-bit Systems KB5055518 Apr 8, 2025
Windows 10 Version 21H2 for ARM64-based Systems KB5055518 Apr 8, 2025
Windows 10 Version 21H2 for x64-based Systems KB5055518 Apr 8, 2025
Windows 10 Version 22H2 for 32-bit Systems KB5055518 Apr 8, 2025
Windows 10 Version 22H2 for ARM64-based Systems KB5055518 Apr 8, 2025
Windows 10 Version 22H2 for x64-based Systems KB5055518 Apr 8, 2025
Windows 10 for 32-bit Systems 10240.20979 KB5055547 Apr 9, 2025
Windows 10 for x64-based Systems 10240.20979 KB5055547 Apr 9, 2025
Windows 11 Version 22H2 for ARM64-based Systems KB5055528 Apr 8, 2025
Windows 11 Version 22H2 for x64-based Systems KB5055528 Apr 8, 2025
Windows 11 Version 23H2 for ARM64-based Systems KB5055528 Apr 8, 2025
Windows 11 Version 23H2 for x64-based Systems KB5055528 Apr 8, 2025
Windows 11 Version 24H2 for ARM64-based Systems 26100.3775 KB5055523 Apr 8, 2025
Windows 11 Version 24H2 for x64-based Systems 26100.3775 KB5055523 Apr 8, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB5055561 Apr 8, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB5055570 Apr 8, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB5055561 Apr 8, 2025
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB5055570 Apr 8, 2025
Windows Server 2012 KB5055581 Apr 8, 2025
Windows Server 2012 (Server Core installation) KB5055581 Apr 8, 2025
Windows Server 2012 R2 KB5055557 Apr 8, 2025
Windows Server 2012 R2 (Server Core installation) KB5055557 Apr 8, 2025
Windows Server 2016 14393.7969 KB5055521 Apr 8, 2025
Windows Server 2016 (Server Core installation) 14393.7969 KB5055521 Apr 8, 2025
Windows Server 2019 17763.7136 KB5055519 Apr 8, 2025
Windows Server 2019 (Server Core installation) 17763.7136 KB5055519 Apr 8, 2025
Windows Server 2022 20348.3453 KB5055526 Apr 8, 2025
Windows Server 2022 (Server Core installation) 20348.3453 KB5055526 Apr 8, 2025
Windows Server 2022, 23H2 Edition (Server Core installation) 25398.1551 KB5055527 Apr 8, 2025
Windows Server 2025 26100.3775 KB5055523 Apr 8, 2025
Windows Server 2025 (Server Core installation) 26100.3775 KB5055523 Apr 8, 2025

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