Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Time-of-check time-of-use (toctou) race condition in Reliable Multicast Transport Driver (RMCAST) allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-10-13
Buffer over-read in Windows USB Driver allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.004
Published
2026-10-13
Double free in Windows Shell allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.006
Published
2026-10-13
Improper access control in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.003
Published
2026-10-13
Weak authentication in Windows Kernel allows an authorized attacker to bypass a security feature over a network.
CVSS Score
5.3
EPSS Score
0.004
Published
2026-10-13
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-10-13
Use after free in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-10-13
Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.009
Published
2026-10-13
Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.002
Published
2026-10-13
Use after free in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13