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CVE-2026-26111

HIGH CVSS 3.1: 8.0 EPSS 0.08%
Updated Mar 13, 2026
Microsoft
Parameter Value
CVSS 8.0 (HIGH)
Affected Versions before 6.2.9200.25973
Fixed In 6.2.9200.25973
Type CWE-122 (Heap-based Buffer Overflow), CWE-190 (Integer Overflow)
Vendor Microsoft
Public PoC No

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic 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 6

Configuration From (including) Up to (excluding)
Microsoft Windows_Server_2012
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:standard:*:x64:*
6.2.9200.25973
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:*
10.0.14393.8957
Microsoft Windows_Server_2019
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:-:*:x64:*
10.0.17763.8511
Microsoft Windows_Server_2022
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:-:*:x64:*
10.0.20348.4893
Microsoft Windows_Server_2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:-:*:x64:*
10.0.26100.32522