Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.
CVSS Score
6.5
EPSS Score
0.004
Published
2026-10-13
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Out-of-bounds read in DNS Server allows an unauthorized attacker to disclose information over a network.
CVSS Score
6.5
EPSS Score
0.01
Published
2026-10-13
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-10-13
Improper authentication in Windows Event Tracing allows an authorized attacker to perform spoofing locally.
CVSS Score
5.5
EPSS Score
0.003
Published
2026-10-13
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13