Microsoft Windows 11 26h1 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 26h1: 1974 record(s), with affected versions and fixes.cpe:2.3:o:microsoft:windows_11_26h1
CVE-2026-70292
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-2026-70288
Medium · 5.5
CWE-367 Oct 13, 2026
Win32k Information Disclosure Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-70285
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-2026-70284
Medium · 5.5
CWE-908 Oct 13, 2026
Win32k Information Disclosure Vulnerability
Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-70273
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-2026-70271
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-2026-70111
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.