Windows 11 26h1
by Microsoft
CVEs (334)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-32091 | Hig | 0.55 | 8.4 | 0.00 | Apr 14, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally. | ||
| CVE-2026-47652 | Hig | 0.53 | 8.2 | 0.00 | Jun 9, 2026 | Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-45635 | Hig | 0.53 | 8.1 | 0.01 | Jun 9, 2026 | Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-45599 | Hig | 0.53 | 8.1 | 0.01 | Jun 9, 2026 | Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42981 | Hig | 0.53 | 8.1 | 0.01 | Jun 9, 2026 | Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42974 | Hig | 0.53 | 8.1 | 0.01 | Jun 9, 2026 | Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-33827 | Hig | 0.53 | 8.1 | 0.01 | Apr 14, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-48583 | Hig | 0.51 | 7.8 | 0.00 | Jun 9, 2026 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-48578 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-48576 | Hig | 0.51 | 7.9 | 0.01 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-48575 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-48574 | Hig | 0.51 | 7.8 | 0.00 | Jun 9, 2026 | Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-48573 | Hig | 0.51 | 7.9 | 0.01 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-48570 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-48568 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-47656 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-45658 | Hig | 0.51 | 7.8 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack. | ||
| CVE-2026-45656 | Hig | 0.51 | 7.8 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-45654 | Hig | 0.51 | 7.9 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-45638 | Hig | 0.51 | 7.8 | 0.00 | Jun 9, 2026 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. |
- risk 0.55cvss 8.4epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
- risk 0.53cvss 8.2epss 0.00
Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
- risk 0.53cvss 8.1epss 0.01
Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
- risk 0.53cvss 8.1epss 0.01
Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
- risk 0.53cvss 8.1epss 0.01
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
- risk 0.53cvss 8.1epss 0.01
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
- risk 0.53cvss 8.1epss 0.01
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.01
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.8epss 0.00
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- risk 0.51cvss 7.9epss 0.01
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.8epss 0.00
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- risk 0.51cvss 7.8epss 0.00
Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.9epss 0.00
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- risk 0.51cvss 7.8epss 0.00
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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