CVE-2026-105005

HIGH CVSS 3.1: 8.1 EPSS 0.75%
Updated Oct 26, 2026
Microsoft
Parameter Value
CVSS 8.1 (HIGH)
Affected Versions 10.0.28000.0 — 10.0.28000.3231
Fixed In 10.0.28000.3231
Type CWE-787 (Out-of-bounds Write)
Vendor Microsoft
Public PoC No

Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execute code over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

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

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 3

Configuration From (including) Up to (excluding)
Microsoft Windows_11_26h1
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*
10.0.28000.0 10.0.28000.3231
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