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Windows 11 26h1

windows_11_26h1

Vendor: Microsoft • 1,982 CVEs

CVEs (1,982)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
4.7 MEDIUM· v3
N/A· v2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to bypass a security feature locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 11, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Biometric Service 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
8.1 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code 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
Untrusted search path in Windows Smart Card allows an authorized attacker to elevate privileges locally.
1Microsoft
6Windows 10 21h2
Windows 10 22h2Windows 11 23h2+3 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 10, 2026
Sep 8, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
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
Time-of-check time-of-use (toctou) race condition in Windows Win32K allows an authorized attacker to elevate privileges locally.
1Microsoft
3Windows 11 24h2
Windows 11 25h2Windows 11 26h1
Sep 11, 2026
Sep 8, 2026
N/A· v4
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 11, 2026
Sep 8, 2026
N/A· v4
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Network File System allows an unauthorized attacker to execute code over a network.
1Microsoft
4Windows 11 23h2
Windows 11 24h2Windows 11 25h2+1 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
4.7 MEDIUM· v3
N/A· v2
Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Use of uninitialized resource in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
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
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Out-of-bounds read in Windows Kerberos 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 Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.