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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 2,009 CVEs

CVEs (2,009)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Use after free in IP Helper allows an unauthorized attacker to execute code over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 17, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Uncontrolled search path element in Windows Hello allows an authorized attacker to bypass a security feature locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Missing authorization in Windows Remote Access Connection Manager allows an authorized attacker to perform tampering locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Missing authentication for critical function in Windows Internet Connection Sharing (ICS) allows an authorized attacker to perform tampering locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 17, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Modern Execution Server allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
8.2 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
8.2 HIGH· v3
N/A· v2
Out-of-bounds read in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.8 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
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
8.2 HIGH· v3
N/A· v2
Double free in Windows Credential Guard allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· 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
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Null pointer dereference in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to deny service over a network.
1Microsoft
10Windows 10 1607
Windows 10 1809Windows 10 21h2+7 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Storage Port Driver allows an authorized attacker to elevate privileges locally.