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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
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
Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
9Windows 10 21h2
Windows 10 22h2Windows 11 23h2+6 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows IP Over USB Service allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 21h2
Windows 10 22h2Windows 11 23h2+6 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Windows IP Over USB Service allows an authorized attacker to elevate privileges locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
6Windows 11 23h2
Windows 11 24h2Windows 11 25h2+3 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 19, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
1Microsoft
9Windows 10 21h2
Windows 10 22h2Windows 11 23h2+6 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 26, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.