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
0.001
Published
2026-06-09
Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-06-09
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
CVSS Score
8.4
EPSS Score
0.001
Published
2026-06-09
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.001
Published
2026-06-09
Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
CVSS Score
9.8
EPSS Score
0.004
Published
2026-06-09
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09