Microsoft Windows 11 version 26H1 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 version 26H1: 2561 record(s), with affected versions and fixes.
CVE-2026-62788
High · 7.0
CWE-416 Aug 11, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62786
Medium · 5.5
CWE-125 Aug 11, 2026
Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-62785
High · 8.8
CWE-122 Aug 11, 2026
Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
CVE-2026-62784
High · 8.8
CWE-122 Aug 11, 2026
Microsoft Local Security Authority Server (lsasrv) Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to execute code over a network.
CVE-2026-62783
High · 7.8
CWE-122 Aug 11, 2026
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62782
High · 7.5
CWE-125 Aug 11, 2026
Windows SMB Client Information Disclosure Vulnerability
Out-of-bounds read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-62781
High · 8.1
CWE-122 Aug 11, 2026
RPC Runtime Library Remote Code Execution Vulnerability
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
CVE-2026-62780
High · 7.0
CWE-362 Aug 11, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62779
High · 7.8
CWE-416 Aug 11, 2026
Windows Schannel Elevation of Privilege Vulnerability
Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.
CVE-2026-62777
High · 7.8
CWE-306 Aug 11, 2026
Windows License Manager Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62775
Medium · 5.5
CWE-863 Aug 11, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
CVE-2026-62774
High · 7.0
CWE-416 Aug 11, 2026
Windows Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62773
High · 7.0
CWE-416 Aug 11, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62772
High · 7.8
CWE-122 Aug 11, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-62771
High · 7.8
CWE-122 Aug 11, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-62770
High · 7.8
CWE-122 Aug 11, 2026
Windows Shell Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally.
CVE-2026-62768
High · 7.8
CWE-121 Aug 11, 2026
Windows Installer Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-62766
High · 7.0
CWE-415 Aug 11, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62769
Medium · 6.7
CWE-122 Aug 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-62758
High · 7.8
CWE-122 Aug 11, 2026
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62757
Medium · 5.9
CWE-347 Aug 11, 2026
Windows Schannel Security Feature Bypass Vulnerability
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-62755
High · 7.8
CWE-121 Aug 11, 2026
Windows DHCP Client Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
CVE-2026-62754
High · 7.8
CWE-122 Aug 11, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62753
High · 7.0
CWE-122 Aug 11, 2026
Windows HTTP.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62752
High · 7.8
CWE-122 Aug 11, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.