7.8
High
CVE-2026-62772 Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker…
Description
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.2704 | 10.0.28000.2704 |
Other CVEs of Windows 11 version 26H1
The 2573 CVEs of Windows 11 version 26H1 →
CVE-2026-108463
Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security…
8.8
High
CVE-2026-108135
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to…
7.0
High
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network
9.8
Critical
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High