Windows 11 26h1
by Microsoft
Source repositories
CVEs (926)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-42993 | Hig | 0.49 | 7.5 | 0.01 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42992 | Hig | 0.49 | 7.5 | 0.01 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-42909 | Hig | 0.49 | 7.5 | 0.00 | Jun 9, 2026 | Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||
| CVE-2026-40406 | Hig | 0.49 | 7.5 | 0.01 | May 12, 2026 | Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network. | ||
| CVE-2026-40405 | Hig | 0.49 | 7.5 | 0.01 | May 12, 2026 | Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-35424 | Hig | 0.49 | 7.5 | 0.01 | May 12, 2026 | Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-32161 | Hig | 0.49 | 7.5 | 0.00 | May 12, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Native WiFi Miniport Driver allows an unauthorized attacker to execute code over an adjacent network. | ||
| CVE-2026-33096 | Hig | 0.49 | 7.5 | 0.01 | Apr 14, 2026 | Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-32071 | Hig | 0.49 | 7.5 | 0.01 | Apr 14, 2026 | Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-25181 | Hig | 0.49 | 7.5 | 0.01 | Mar 10, 2026 | Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network. | ||
| CVE-2026-23674 | Hig | 0.49 | 7.5 | 0.01 | Mar 10, 2026 | Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network. | ||
| CVE-2026-20846 | Hig | 0.49 | 7.5 | 0.01 | Feb 10, 2026 | Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. | ||
| CVE-2026-40414 | Hig | 0.48 | 7.4 | 0.01 | May 12, 2026 | Windows TCP/IP Denial of Service Vulnerability | ||
| CVE-2026-40413 | Hig | 0.48 | 7.4 | 0.01 | May 12, 2026 | Windows TCP/IP Denial of Service Vulnerability | ||
| CVE-2026-32202 | Med | 0.48 | 4.3 | 0.05 | KEV | Apr 14, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network. | |
| CVE-2026-32156 | Hig | 0.48 | 7.4 | 0.00 | Apr 14, 2026 | Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to execute code locally. | ||
| CVE-2026-25167 | Hig | 0.48 | 7.4 | 0.00 | Mar 10, 2026 | Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally. | ||
| CVE-2026-21235 | Hig | 0.48 | 7.3 | 0.01 | Feb 10, 2026 | Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-32149 | Hig | 0.47 | 7.3 | 0.00 | Apr 14, 2026 | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. | ||
| CVE-2026-21247 | Hig | 0.47 | 7.3 | 0.01 | Feb 10, 2026 | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. |
- risk 0.49cvss 7.5epss 0.01
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.49cvss 7.5epss 0.01
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.49cvss 7.5epss 0.00
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- risk 0.49cvss 7.5epss 0.01
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
- risk 0.49cvss 7.5epss 0.01
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.01
Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.00
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Native WiFi Miniport Driver allows an unauthorized attacker to execute code over an adjacent network.
- risk 0.49cvss 7.5epss 0.01
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.01
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
- risk 0.49cvss 7.5epss 0.01
Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network.
- risk 0.49cvss 7.5epss 0.01
Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.49cvss 7.5epss 0.01
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network.
- risk 0.48cvss 7.4epss 0.01
Windows TCP/IP Denial of Service Vulnerability
- risk 0.48cvss 7.4epss 0.01
Windows TCP/IP Denial of Service Vulnerability
- risk 0.48cvss 4.3epss 0.05
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
- risk 0.48cvss 7.4epss 0.00
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to execute code locally.
- risk 0.48cvss 7.4epss 0.00
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
- risk 0.48cvss 7.3epss 0.01
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- risk 0.47cvss 7.3epss 0.00
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
- risk 0.47cvss 7.3epss 0.01
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
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