Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Untrusted search path in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.005
Published
2026-10-13
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Heap-based buffer overflow in Windows Internet Information Services allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Use of hard-coded credentials in Windows Update Orchestrator Service allows an authorized attacker to bypass a security feature locally.
CVSS Score
5.5
EPSS Score
0.003
Published
2026-10-13
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS 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 Imaging Component allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.009
Published
2026-10-13
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
External control of system or configuration setting in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.005
Published
2026-10-13