CVE-2026-45639

HIGH

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45639

Scores

CVSS v3 7.5
EPSS 0.0069
EPSS Percentile 47.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (21)
Microsoft/Remote Desktop client for Windows Desktop 1.2.0.0 - 1.2.7214.0
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.9234
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8880
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.7417
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.7417
Microsoft/Windows 11 version 23H2 10.0.22631.0 - 10.0.22631.7219
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8655
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8655
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Microsoft/Windows App Client for Windows Desktop 1.00 - 2.0.1193.0
... and 11 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026