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Windows 11 26h2

windows_11_26h2

Vendor: Microsoft • 304 CVEs

CVEs (304)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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
Buffer over-read in Windows Management Instrumentation allows an authorized attacker to disclose information locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Use of uninitialized resource in Windows Modern Device Management (MDM) 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 WebDAV 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 WebDAV 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
8.0 HIGH· v3
N/A· v2
Integer underflow (wrap or wraparound) in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges over an adjacent network.
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 WebDAV 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
7.5 HIGH· v3
N/A· v2
Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network.
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
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
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 Windows Update 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
7.0 HIGH· v3
N/A· v2
Use after free in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 21h2
Windows 10 22h2Windows 11 23h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Remote Desktop Display Driver allows an authorized attacker to disclose information locally.
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 Windows USB Print 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 Resume 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
7.8 HIGH· v3
N/A· v2
Use after free in Windows Kernel 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
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to perform tampering locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Missing authorization in Windows Overlay Filter allows an authorized attacker to perform tampering 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 Audio Service allows an authorized attacker to disclose information locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Missing authentication for critical function in Windows Push Notifications 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
Heap-based buffer overflow in Windows Kernel 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
Improper authorization in Windows Network List Service allows an authorized attacker to perform tampering locally.