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Windows 11 26h2

windows_11_26h2

Vendor: Microsoft • 304 CVEs

CVEs (304)

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
6.5 MEDIUM· v3
N/A· v2
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
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
Heap-based buffer overflow in DNS Server allows an authorized attacker to disclose information over a network.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Use after free in OpenSSH for Windows 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows Error Reporting 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Double free in Windows Update Orchestrator Service 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
Double free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 11 24h2
Windows 11 25h2Windows 11 26h1+3 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
1Microsoft
9Windows 10 1809
Windows 10 21h2Windows 10 22h2+6 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Use after free in Windows Broadcast DVR User Service 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
Out-of-bounds read in Windows Partition Management Driver 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
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.