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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 2,069 CVEs

CVEs (2,069)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
4.6 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows Storage Port Driver allows an unauthorized attacker to disclose information with a physical attack.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Out-of-bounds write in Active Directory Domain Services allows an authorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.