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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
5.5 MEDIUM· v3
N/A· v2
Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) 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
Heap-based buffer overflow in Active Directory Domain Services allows an authorized 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
7.8 HIGH· v3
N/A· v2
Improper privilege management in Windows WalletService 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
Heap-based buffer overflow in Windows DNS 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
6.1 MEDIUM· v3
N/A· v2
Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.
1Microsoft
1Windows 11 26h1
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
11Windows 10 1607
Windows 10 1809Windows 10 21h2+8 more
Jul 23, 2026
Jul 14, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows FTP Service 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
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Windows Speech 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
7.8 HIGH· v3
N/A· v2
Insufficient granularity of access control in Windows StateRepository API 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
6.8 MEDIUM· v3
N/A· v2
Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.
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
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 Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1607
Windows 10 1809Windows 10 21h2+8 more
Jul 23, 2026
Jul 14, 2026
N/A· v4
7.1 HIGH· v3
N/A· v2
Use of uninitialized resource in Microsoft Windows App Store 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
1Microsoft
5Windows 11 23h2
Windows 11 24h2Windows 11 25h2+2 more
Jul 16, 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 App Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
5Windows 11 23h2
Windows 11 24h2Windows 11 25h2+2 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows App Installer 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
7.5 HIGH· v3
N/A· v2
Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.
1Microsoft
5Windows 11 23h2
Windows 11 24h2Windows 11 25h2+2 more
Jul 22, 2026
Jul 14, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.