Windows 11 26h1
by Microsoft
Source repositories
CVEs (926)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-33824 | Cri | 0.76 | 9.8 | 0.02 | KEV | Apr 14, 2026 | Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network. | |
| CVE-2026-21510 | Hig | 0.71 | 8.8 | 0.24 | KEV | Feb 10, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network. | |
| CVE-2026-21513 | Hig | 0.70 | 8.8 | 0.16 | KEV | Feb 10, 2026 | Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. | |
| CVE-2026-47291 | Cri | 0.64 | 9.8 | 0.01 | 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 | 0.01 | 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 | 0.01 | May 12, 2026 | Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-21533 | Hig | 0.63 | 7.8 | 0.04 | KEV | Feb 10, 2026 | Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally. | |
| CVE-2026-21519 | Hig | 0.63 | 7.8 | 0.02 | KEV | Feb 10, 2026 | Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally. | |
| CVE-2026-42904 | Cri | 0.62 | 9.6 | 0.01 | 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-2026-68820 | Hig | 0.58 | 7.0 | 0.00 | KEV | Aug 11, 2026 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. | |
| CVE-2026-62822 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Integer overflow or wraparound in Windows GDI+ allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-62817 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network. | ||
| CVE-2026-62816 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network. | ||
| CVE-2026-62815 | Cri | 0.57 | 9.8 | 0.01 | Aug 11, 2026 | Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-62800 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network. | ||
| CVE-2026-62795 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-62790 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network. | ||
| CVE-2026-62785 | Hig | 0.57 | 8.8 | 0.01 | Aug 11, 2026 | Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network. |
- risk 0.76cvss 9.8epss 0.02
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
- risk 0.71cvss 8.8epss 0.24
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.70cvss 8.8epss 0.16
Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.64cvss 9.8epss 0.01
Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
- risk 0.64cvss 9.8epss 0.01
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 0.01
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
- risk 0.63cvss 7.8epss 0.04
Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
- risk 0.63cvss 7.8epss 0.02
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
- risk 0.62cvss 9.6epss 0.01
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 0.58cvss 7.0epss 0.00
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- risk 0.57cvss 8.8epss 0.01
Integer overflow or wraparound in Windows GDI+ allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
- risk 0.57cvss 9.8epss 0.01
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
- risk 0.57cvss 8.8epss 0.01
Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
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