CVE-2026-108457

HIGH CVSS 3.1: 8.1 EPSS 0.76%
Updated Oct 26, 2026
Microsoft
Parameter Value
CVSS 8.1 (HIGH)
Affected Versions before 10.0.26100.33650
Fixed In 10.0.19044.7807
Type CWE-787 (Out-of-bounds Write)
Vendor Microsoft
Public PoC No

Out-of-bounds write in Microsoft Windows PDF 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 10

Configuration From (including) Up to (excluding)
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_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