CVE-2026-47288
High
Description
Integer overflow or wraparound in Windows Kerberos allows an authorized attacker to execute code over an adjacent network.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Microsoft Windows Server
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- microsoft windows_server_201610.0.14393.9234 or later
- microsoft windows_server_201910.0.17763.8880 or later
- microsoft windows_server_202210.0.20348.5256 or later
- microsoft windows_server_202510.0.26100.32995 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.9234 | 10.0.14393.9234 |
| microsoft windows_server_2019 | v < 10.0.17763.8880 | 10.0.17763.8880 |
| microsoft windows_server_2022 | v < 10.0.20348.5256 | 10.0.20348.5256 |
| microsoft windows_server_2025 | v < 10.0.26100.32995 | 10.0.26100.32995 |
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