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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 1,960 CVEs

CVEs (1,960)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Oct 24, 2026
Aug 11, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Oct 24, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 14, 2026
Aug 11, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 17, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
5.9 MEDIUM· v3
N/A· v2
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 18, 2026
Aug 11, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.