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Windows 11 26h2

windows_11_26h2

Vendor: Microsoft • 322 CVEs

CVEs (322)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.0 CRITICAL· v3
N/A· v2
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.7 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows Wi-Fi Driver allows an authorized attacker to disclose information over an adjacent network.
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 Device Association Service 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
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
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
Files or directories accessible to external parties in Windows Bind Filter Driver 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
7.5 HIGH· v3
N/A· v2
Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over an adjacent network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Telephony Server 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
9.8 CRITICAL· v3
N/A· v2
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
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
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
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
Integer overflow or wraparound in Windows USB Video 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
9.8 CRITICAL· v3
N/A· v2
Integer underflow (wrap or wraparound) in Network Policy Server (NPS) 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
6.5 MEDIUM· v3
N/A· v2
Improperly implemented security check for standard in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Camera Frame Server Monitor 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 Win32 Kernel Subsystem 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 Error Reporting 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
8.1 HIGH· v3
N/A· v2
Use after free in Network Policy Server (NPS) 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
7.2 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized 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
7.5 HIGH· v3
N/A· v2
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information over a network.