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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 1,960 CVEs

CVEs (1,960)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 29, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Sep 17, 2026
Sep 8, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Allocation of resources without limits or throttling in Windows SMB Server allows an authorized attacker to deny service over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Integer overflow or wraparound in Windows Overlay Filter 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
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges over a network.
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 Overlay Filter allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 29, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.1 HIGH· v3
N/A· v2
Use after free in Windows Kernel allows an authorized attacker to elevate privileges over a network.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Sep 29, 2026
Sep 8, 2026
N/A· v4
8.0 HIGH· v3
N/A· v2
Out-of-bounds read in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.1 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 29, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 29, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 30, 2026
Sep 8, 2026
N/A· v4
7.1 HIGH· v3
N/A· v2
Use of uninitialized resource in Remote Desktop Client allows an authorized 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
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows Text Shaping allows an authorized attacker to disclose information locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 11, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Biometric Service 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
Exposure of private personal information to an unauthorized actor in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in Windows Overlay Filter 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
5.7 MEDIUM· v3
N/A· v2
Use of uninitialized resource in Windows Management Instrumentation allows an authorized attacker to disclose information over a network.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 17, 2026
Sep 8, 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
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.4 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.