CVE-2026-80074

HIGH CVSS 3.1: 8.8 EPSS 0.82%
Updated Sep 22, 2026
Microsoft
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 1.2.0.0 — 1.2.7279.0
Fixed In 1.2.7279.0
Type CWE-122 (Heap-based Buffer Overflow)
Vendor Microsoft
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsoft Remote_Desktop
cpe:2.3:a:microsoft:remote_desktop:*:*:*:*:*:windows:*:*
1.2.0.0 1.2.7279.0
Microsoft Remote_Desktop_Client
cpe:2.3:a:microsoft:remote_desktop_client:*:*:*:*:*:windows:*:*
— 1.2.7279