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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 699 CVEs

CVEs (699)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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
Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
7Windows 10 21h2
Windows 10 22h2Windows 11 24h2+4 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read 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
7.5 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 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
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Kernel-Mode Drivers 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
Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 21, 2026
Jul 14, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Secure Kernel Mode 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
Improper privilege management in Windows Group Policy 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
Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate privileges locally.
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
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
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.
1Microsoft
16365 Copilot
Microsoft 365Office 2021+13 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Stack-based buffer overflow in Windows GDI 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 NTFS allows an unauthorized attacker to execute code locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
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
Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
1Microsoft
3Windows 11 24h2
Windows 11 25h2Windows 11 26h1
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Key Guard allows an authorized attacker to elevate privileges locally.