CVE-2024-43458
High CVSS 7.7Published 2024-09-10 ยท last changed 2026-06-17
The fix
Microsoft fixes this in updateKB5043051. The fixed build differs per Windows version, so the row that matters is the one matching the machine you are looking at.
| Windows version | Fixed in build | Update | Released |
|---|---|---|---|
| Windows 10 Version 1607 for x64-based Systems | 10.0.14393.7336 | KB5043051 | 2026-09-24 |
| Windows Server 2016 | 10.0.14393.7336 | KB5043051 | 2026-09-24 |
| Windows Server 2016 (Server Core installation) | 10.0.14393.7336 | KB5043051 | 2026-09-24 |
Having the KB is not the same as knowing whether a machine has it. Windows updates supersede each other, so the update you installed often covers a fix that shipped in an earlier one. Paste your build into the patch checker and it walks that chain for you.
What it is
Windows Networking Information Disclosure Vulnerability
Affected software
- microsoft windows 10 1607 (before 10.0.14393.7336)
- microsoft windows server 2016 (before 10.0.14393.7336)
As listed by NVD. Version ranges vary per entry, so check the NVD record before treating a product name here as a yes or a no for a specific version.
Sources
- NVD affected-version ranges (RFF fetched it 2026-07-01)
- Microsoft Security Update Guide (Windows builds and KBs) (RFF fetched it 2026-10-09)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N