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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 699 CVEs

CVEs (699)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.9 HIGH· v3
N/A· v2
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
1Microsoft
1Windows 11 26h1
Jun 17, 2026
Jun 9, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
1Microsoft
1Windows 11 26h1
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
16Excel
PowerpointWindows 10 1607+13 more
Jun 19, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
1Microsoft
1Windows 11 26h1
Jul 9, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Jul 9, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
16Excel
PowerpointWindows 10 1607+13 more
Jun 19, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
15Remote Desktop Client
Windows 10 1607Windows 10 1809+12 more
Jul 9, 2026
Jun 9, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
15Remote Desktop Client
Windows 10 1607Windows 10 1809+12 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Jun 17, 2026
Jun 9, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.