CVE-2026-26111
High
Description
Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
SeverityHigh
CVSS8.0
Exploit probability—
Product
Microsoft Windows Server
PublishedMar 10, 2026
First seenMar 10, 2026
Weakness typeCWE-190Integer overflowCWE-122CWE-122
How to fix
Update
- microsoft windows_server_20126.2.9200.25973 or later
- microsoft windows_server_201610.0.14393.8957 or later
- microsoft windows_server_201910.0.17763.8511 or later
- microsoft windows_server_202210.0.20348.4893 or later
- microsoft windows_server_202510.0.26100.32522 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_server_2012 | v < 6.2.9200.25973, r2 | 6.2.9200.25973 |
| microsoft windows_server_2016 | v < 10.0.14393.8957 | 10.0.14393.8957 |
| microsoft windows_server_2019 | v < 10.0.17763.8511 | 10.0.17763.8511 |
| microsoft windows_server_2022 | v < 10.0.20348.4893 | 10.0.20348.4893 |
| microsoft windows_server_2025 | v < 10.0.26100.32522 | 10.0.26100.32522 |
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