← Back

Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 894 CVEs

CVEs (894)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
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
Use after free in Windows DWM Core Library 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
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information 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 Win32K 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
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
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 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows NTFS 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
Stack-based buffer overflow in Windows Win32K 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
Out-of-bounds read in Windows Win32K 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
Improper link resolution before file access ('link following') in Windows User Profile Service 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
8.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows GDI+ allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 2, 2026
Aug 11, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 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
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
1Microsoft
1Windows 11 26h1
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
1Microsoft
5Windows 11 23h2
Windows 11 24h2Windows 11 25h2+2 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information 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 NTFS allows an authorized attacker to elevate privileges locally.