Windows 11 26h1
by Microsoft
CVEs (334)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-40382 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-40377 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-40369 | Hig | 0.51 | 7.8 | 0.05 | May 12, 2026 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-35421 | Hig | 0.51 | 7.8 | 0.01 | May 12, 2026 | Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-35417 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34351 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34344 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34343 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34337 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34336 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-34330 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33841 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33840 | Hig | 0.51 | 7.8 | 0.02 | May 12, 2026 | Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33838 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33837 | Hig | 0.51 | 7.8 | 0.02 | May 12, 2026 | Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33835 | Hig | 0.51 | 7.8 | 0.02 | May 12, 2026 | Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33834 | Hig | 0.51 | 7.8 | 0.00 | May 12, 2026 | Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33101 | Hig | 0.51 | 7.8 | 0.00 | Apr 14, 2026 | Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-33098 | Hig | 0.51 | 7.8 | 0.00 | Apr 14, 2026 | Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-32222 | Hig | 0.51 | 7.8 | 0.00 | Apr 14, 2026 | Untrusted pointer dereference in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. |
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.05
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.01
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.02
Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.02
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.02
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.8epss 0.00
Untrusted pointer dereference in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
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