Security Vulnerabilities - CVEs Published In April 2026
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-04-14
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-04-14
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.0
Published
2026-04-14
Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-04-14
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.0
Published
2026-04-14
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
CVSS Score
8.8
EPSS Score
0.002
Published
2026-04-14
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.0
Published
2026-04-14
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.0
Published
2026-04-14
Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.
CVSS Score
4.6
EPSS Score
0.002
Published
2026-04-14
Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-04-14