← Back

Windows 11 26h2

windows_11_26h2

Vendor: Microsoft • 322 CVEs

CVEs (322)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 17, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
1Microsoft
5Windows 11 24h2
Windows 11 25h2Windows 11 26h1+2 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Storage Spaces Controller 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
7.0 HIGH· v3
N/A· v2
Untrusted pointer dereference in Windows Security Support Provider Interface 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
7.0 HIGH· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DCOM Server allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Desktop Window Manager 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
Deserialization of untrusted data in Windows Management Instrumentation 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 Windows Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Null pointer dereference in Windows MIDI Service Module 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
7.0 HIGH· v3
N/A· v2
Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges locally.
1Microsoft
5Windows 11 23h2
Windows 11 24h2Windows 11 25h2+2 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Double free in Windows Hyper-V 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
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Storage Spaces Controller allows an unauthorized attacker to deny service over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Installer 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
6.5 MEDIUM· v3
N/A· v2
Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Windows Bluetooth Port Driver allows an unauthorized attacker to elevate privileges over an adjacent network.
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 Windows Quality of Service (QoS) Packet Scheduler 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
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.