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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 2,034 CVEs

CVEs (2,034)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Storage 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
6.8 MEDIUM· v3
N/A· v2
Untrusted pointer dereference in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
4.7 MEDIUM· v3
N/A· v2
Untrusted pointer dereference in Windows Network File System allows an authorized attacker to disclose information 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
Heap-based buffer overflow in Windows Storage 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Network Policy Server (NPS) 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
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 20, 2026
Oct 13, 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
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
Improper privilege management in Windows Group Policy 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
7.0 HIGH· v3
N/A· v2
Stack-based buffer overflow in Windows Storage 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
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Update Service 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
9.8 CRITICAL· v3
N/A· v2
Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Client License Service allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Oct 20, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally.
1Microsoft
1Windows 11 26h1
Sep 29, 2026
Sep 14, 2026
N/A· v4
8.2 HIGH· v3
N/A· v2
Double free in Windows Secure Kernel Mode 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
7.0 HIGH· v3
N/A· v2
Use after free in Windows Kernel 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
7.5 HIGH· v3
N/A· v2
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized 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
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally.