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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 699 CVEs

CVEs (699)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 21, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1607
Windows 10 1809Windows 10 21h2+8 more
Jul 21, 2026
Jul 14, 2026
N/A· v4
6.8 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 23, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 21, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.
1Microsoft
6Windows 10 21h2
Windows 10 22h2Windows 11 24h2+3 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 21, 2026
Jul 14, 2026
N/A· v4
5.7 MEDIUM· v3
N/A· v2
Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 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
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 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
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 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
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Windows allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Buffer over-read in Windows Kernel allows an authorized attacker to disclose information locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
11Windows 10 1607
Windows 10 1809Windows 10 21h2+8 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.