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Windows 11 26h2

windows_11_26h2

Vendor: Microsoft • 304 CVEs

CVEs (304)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
9Windows 10 21h2
Windows 10 22h2Windows 11 23h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Exposure of sensitive system information to an unauthorized control sphere in Windows NTFS allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Untrusted pointer dereference in Windows OLE allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Access of resource using incompatible type ('type confusion') in Windows Message Queuing Queue Manager allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper access control in Windows NTFS allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.