Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.001
Published
2026-06-09
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.0
Published
2026-06-09
Windows Kerberos Denial of Service Vulnerability
CVSS Score
5.3
EPSS Score
0.001
Published
2026-06-09
Incorrect calculation of buffer size in Windows TCP/IP allows an authorized attacker to deny service over an adjacent network.
CVSS Score
5.7
EPSS Score
0.002
Published
2026-06-09
Integer underflow (wrap or wraparound) in Windows NT OS Kernel 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
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.001
Published
2026-06-09
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-06-09
Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09
Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-06-09