Microsoft Windows 11 Version 26H1 vulnerabilities
2,571 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,571
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL93HIGH1902MEDIUM571LOW5
Vulnerabilities
Page 11 of 129
CVE-2026-72933P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-72933 [HIGH] CWE-122 CVE-2026-72933: Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an unauthorized attacker
Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69669P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69669 [HIGH] CWE-122 CVE-2026-69669: Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to execute code over a
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-83992P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-83992 [HIGH] CWE-122 CVE-2026-83992: Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-73013P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-73013 [HIGH] CWE-122 CVE-2026-73013: Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-62795P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62795 [HIGH] CWE-416 CVE-2026-62795: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack
Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-57094P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-57094 [HIGH] CWE-122 CVE-2026-57094: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-50474P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50474 [HIGH] CWE-416 CVE-2026-50474: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-83725P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83725 [HIGH] CWE-122 CVE-2026-83725: Heap-based buffer overflow in Microsoft Windows Search Component allows an unauthorized attacker to
Heap-based buffer overflow in Microsoft Windows Search Component allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-32157P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-32157 [HIGH] CWE-416 CVE-2026-32157: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69326P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69326 [HIGH] CWE-122 CVE-2026-69326: Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a n
Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69689P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69689 [HIGH] CWE-121 CVE-2026-69689: Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges over a netw
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-69717P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69717 [HIGH] CWE-125 CVE-2026-69717: Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privi
Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-50340P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50340 [HIGH] CWE-416 CVE-2026-50340: Use after free in Windows Runtime allows an authorized attacker to elevate privileges over a network
Use after free in Windows Runtime allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-47653P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-47653 [HIGH] CWE-416 CVE-2026-47653: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-42975P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-42975 [HIGH] CWE-122 CVE-2026-42975: Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execu
Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.
nvd
CVE-2026-88157P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88157 [HIGH] CWE-122 CVE-2026-88157: Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code ov
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-85905P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85905 [HIGH] CWE-122 CVE-2026-85905: Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate p
Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83716P3HIGHCVSS 8.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83716 [HIGH] CWE-122 CVE-2026-83716: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
nvd
CVE-2026-40398P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-40398 [HIGH] CWE-122 CVE-2026-40398: Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privil
Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-33837P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-33837 [HIGH] CWE-122 CVE-2026-33837: Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd