CVE-2026-24288
Medium CVSS 6.8Published 2026-03-10 ยท last changed 2026-06-17
The fix
Microsoft fixes this in updateKB5078885. 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 21H2 for 32-bit Systems | 10.0.19044.7058 | KB5078885 | 2026-09-17 |
| Windows 10 Version 21H2 for ARM64-based Systems | 10.0.19044.7058 | KB5078885 | 2026-09-17 |
| Windows 10 Version 21H2 for x64-based Systems | 10.0.19044.7058 | KB5078885 | 2026-09-17 |
| Windows 10 Version 22H2 for 32-bit Systems | 10.0.19045.7058 | KB5078885 | 2026-09-17 |
| Windows 10 Version 22H2 for ARM64-based Systems | 10.0.19045.7058 | KB5078885 | 2026-09-17 |
| Windows 10 Version 22H2 for x64-based Systems | 10.0.19045.7058 | KB5078885 | 2026-09-17 |
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
Heap-based buffer overflow in Windows Mobile Broadband allows an unauthorized attacker to execute code with a physical attack.
Sources
CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H