CVE-2026-62744

HIGH CVSS 3.1: 8.8 EPSS 0.84%
Updated Sep 17, 2026
Microsoft
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 10.0.26100.0 — 10.0.28000.2954
Fixed In 10.0.26100.33438
Type CWE-122 (Heap-based Buffer Overflow)
Vendor Microsoft
Public PoC No

Heap-based buffer overflow in Microsoft Windows Media Foundation 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 5

Configuration From (including) Up to (excluding)
Microsoft Windows_Server_2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
10.0.26100.0 10.0.26100.33438
Microsoft Windows_11_25h2
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
10.0.26200.0 10.0.26200.9445
Microsoft Windows_11_24h2
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
10.0.26100.0 10.0.26100.9445
Microsoft Windows_Server_2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
10.0.26100.0 10.0.26100.33438
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
10.0.28000.0 10.0.28000.2954