high7.8
CVE-2026-62772
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
Impact
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 26h1 | before 10.0.28000.2704 |