CVE-2026-69940

MEDIUM CVSS 3.1: 6.5 EPSS 0.92%
Updated Oct 16, 2026
Microsoft
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions before 10.0.28000.3231
Fixed In 10.0.14393.9612
Type CWE-125 (Out-of-bounds Read)
Vendor Microsoft
Public PoC No

Out-of-bounds read in Windows Client for NFS allows an unauthorized attacker to disclose information 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
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 26

Configuration From (including) Up to (excluding)
Microsoft Windows_10_1607
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
— 10.0.14393.9612
Microsoft Windows_10_1607
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
— 10.0.14393.9612
Microsoft Windows_10_1809
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
— 10.0.17763.9376
Microsoft Windows_10_1809
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
— 10.0.17763.9376
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
— 10.0.19044.7807
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
— 10.0.19044.7807
Microsoft Windows_10_21h2
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
— 10.0.19044.7807
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
— 10.0.19045.7807
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
— 10.0.19045.7807
Microsoft Windows_10_22h2
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
— 10.0.19045.7807
Microsoft Windows_11_23h2
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
— 10.0.22631.7652
Microsoft Windows_11_23h2
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
— 10.0.22631.7652
Microsoft Windows_11_24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
— 10.0.26100.9711
Microsoft Windows_11_24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
— 10.0.26100.9711
Microsoft Windows_11_25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
— 10.0.26200.9711
Microsoft Windows_11_25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
— 10.0.26200.9711
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
— 10.0.28000.3231
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
— 10.0.28000.3231
Microsoft Windows_11_26h2
cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:arm64:*
— 10.0.26300.9711
Microsoft Windows_11_26h2
cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:*
— 10.0.26300.9711
Microsoft Windows_Server_2012
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
— —
Microsoft Windows_Server_2012
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
— —
Microsoft Windows_Server_2016
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:*
— 10.0.14393.9612
Microsoft Windows_Server_2019
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*
— 10.0.17763.9376
Microsoft Windows_Server_2022
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
— 10.0.20348.5761
Microsoft Windows_Server_2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
— 10.0.26100.33650