Microsoft Windows 11 26h2 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 26h2: 517 record(s), with affected versions and fixes.cpe:2.3:o:microsoft:windows_11_26h2
CVE-2026-70271
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70253
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70249
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70244
Medium · 6.5
CWE-125 Oct 13, 2026
Windows DNS Server Information Disclosure Vulnerability
Out-of-bounds read in DNS Server allows an unauthorized attacker to disclose information over a network.
CVE-2026-70236
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70232
Medium · 5.5
CWE-497 Oct 13, 2026
Windows Kernel Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-70211
Medium · 5.5
CWE-125 Oct 13, 2026
Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-70209
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70199
Medium · 5.5
CWE-497 Oct 13, 2026
Windows Kernel Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-70176
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70170
Medium · 6.5
CWE-822 Oct 13, 2026
Windows Kernel Denial of Service Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to deny service over a network.
CVE-2026-70160
High · 7.0
CWE-416 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70144
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70121
High · 7.8
CWE-122 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70117
High · 7.8
CWE-122 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70114
High · 7.8
CWE-122 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70113
High · 7.8
CWE-190 Oct 13, 2026
Windows Client for NFS Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Client for NFS allows an authorized attacker to elevate privileges locally.
CVE-2026-70112
High · 7.8
CWE-122 Oct 13, 2026
Windows Spaceport.sys Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to execute code locally.
CVE-2026-70111
High · 8.1
CWE-822 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-70108
High · 7.8
CWE-122 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70106
High · 7.8
CWE-122 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70104
High · 7.8
CWE-822 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70103
High · 7.8
CWE-122 Oct 13, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-70102
High · 7.8
CWE-416 Oct 13, 2026
Windows Spaceport.sys Elevation of Privilege Vulnerability
Use after free in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-70097
Medium · 5.6
CWE-362 Oct 13, 2026
Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.