Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-10-13
Untrusted pointer dereference in Windows COM+ Event System Service 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 Hello allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.004
Published
2026-10-13
Heap-based buffer overflow in Microsoft Windows Search Component 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 Partition Management Driver allows an unauthorized attacker to elevate privileges over a network.
CVSS Score
8.8
EPSS Score
0.008
Published
2026-10-13
Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-10-13
Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-10-13
Double free in Windows TCP/IP 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 Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
CVSS Score
7.5
EPSS Score
0.013
Published
2026-10-13