Microsoft: >> Windows 11 26h1 Security Vulnerabilities
Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally.
CVSS Score
5.6
EPSS Score
0.004
Published
2026-10-13
Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally.
CVSS Score
5.5
EPSS Score
0.004
Published
2026-10-13
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.005
Published
2026-10-13
Relative path traversal in Windows Libarchive allows an unauthorized attacker to perform tampering over a network.
CVSS Score
6.5
EPSS Score
0.009
Published
2026-10-13
Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to disclose information locally.
CVSS Score
4.7
EPSS Score
0.004
Published
2026-10-13
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-10-13
Incorrect authorization in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.004
Published
2026-10-13
Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Libarchive allows an unauthorized attacker to perform tampering over a network.
CVSS Score
6.5
EPSS Score
0.008
Published
2026-10-13
Integer overflow or wraparound in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-10-13