Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
CVSS Score
7.9
EPSS Score
0.003
Published
2026-06-09
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVSS Score
7.5
EPSS Score
0.001
Published
2026-06-09
Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
CVSS Score
7.9
EPSS Score
0.001
Published
2026-06-09
Untrusted search path in Windows Storage allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.001
Published
2026-06-09
Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
CVSS Score
8.2
EPSS Score
0.001
Published
2026-06-09
Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
CVSS Score
9.8
EPSS Score
0.002
Published
2026-06-09
Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
CVSS Score
9.8
EPSS Score
0.001
Published
2026-06-09
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
CVSS Score
8.4
EPSS Score
0.002
Published
2026-06-09