Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
CVSS Score
6.5
EPSS Score
0.009
Published
2026-04-14
Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-04-14
Insecure storage of sensitive information in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-04-14
Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-04-14
Concurrent execution using shared resource with improper synchronization ('race condition') in Applocker Filter Driver (applockerfltr.sys) allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.002
Published
2026-04-14
Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.
CVSS Score
7.1
EPSS Score
0.008
Published
2026-04-14
Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.
CVSS Score
7.5
EPSS Score
0.01
Published
2026-04-14
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
CVSS Score
5.7
EPSS Score
0.003
Published
2026-04-14
Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.003
Published
2026-04-14
Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.
CVSS Score
4.6
EPSS Score
0.004
Published
2026-04-14