Windows 11 26h1
by Microsoft
CVEs (334)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-47291 | Cri | 0.64 | 9.8 | 0.22 | Jun 9, 2026 | Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-45657 | Cri | 0.64 | 9.8 | 0.15 | Jun 9, 2026 | Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-44815 | Cri | 0.64 | 9.8 | 0.01 | Jun 9, 2026 | Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-41096 | Cri | 0.64 | 9.8 | 0.02 | May 12, 2026 | Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-33824 | Cri | 0.64 | 9.8 | 0.56 | Apr 14, 2026 | Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42904 | Cri | 0.62 | 9.6 | 0.00 | Jun 9, 2026 | Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network. | ||
| CVE-2026-45602 | Cri | 0.59 | 9.1 | 0.00 | Jun 9, 2026 | No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network. | ||
| CVE-2026-47653 | Hig | 0.57 | 8.8 | 0.01 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-47289 | Hig | 0.57 | 8.8 | 0.01 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42985 | Hig | 0.57 | 8.8 | 0.01 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-40403 | Hig | 0.57 | 8.8 | 0.00 | May 12, 2026 | Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally. | ||
| CVE-2026-34329 | Hig | 0.57 | 8.8 | 0.00 | May 12, 2026 | Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network. | ||
| CVE-2026-32225 | Hig | 0.57 | 8.8 | 0.01 | Apr 14, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network. | ||
| CVE-2026-32157 | Hig | 0.57 | 8.8 | 0.01 | Apr 14, 2026 | Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-26167 | Hig | 0.57 | 8.8 | 0.00 | Apr 14, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-45641 | Hig | 0.55 | 8.4 | 0.00 | Jun 9, 2026 | Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-45607 | Hig | 0.55 | 8.4 | 0.00 | Jun 9, 2026 | Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-44810 | Hig | 0.55 | 8.4 | 0.00 | Jun 9, 2026 | Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally. | ||
| CVE-2026-32221 | Hig | 0.55 | 8.4 | 0.00 | Apr 14, 2026 | Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-32162 | Hig | 0.55 | 8.4 | 0.02 | Apr 14, 2026 | Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate privileges locally. |
- risk 0.64cvss 9.8epss 0.22
Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
- risk 0.64cvss 9.8epss 0.15
Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
- risk 0.64cvss 9.8epss 0.01
Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
- risk 0.64cvss 9.8epss 0.02
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
- risk 0.64cvss 9.8epss 0.56
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
- risk 0.62cvss 9.6epss 0.00
Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.
- risk 0.59cvss 9.1epss 0.00
No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.00
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
- risk 0.57cvss 8.8epss 0.00
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
- risk 0.57cvss 8.8epss 0.01
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.57cvss 8.8epss 0.01
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
- risk 0.55cvss 8.4epss 0.00
Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
- risk 0.55cvss 8.4epss 0.00
Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
- risk 0.55cvss 8.4epss 0.00
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
- risk 0.55cvss 8.4epss 0.00
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
- risk 0.55cvss 8.4epss 0.02
Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate privileges locally.
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