Microsoft: >> Windows 11 26h1 >> 10.0.28000.1836 Security Vulnerabilities
Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.
CVSS Score
5.5
EPSS Score
0.005
Published
2026-08-11
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-08-11
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-08-11
Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.
CVSS Score
5.5
EPSS Score
0.004
Published
2026-08-11
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.003
Published
2026-08-11
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.002
Published
2026-08-11
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
CVSS Score
6.7
EPSS Score
0.003
Published
2026-08-11
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Score
7.0
EPSS Score
0.003
Published
2026-08-11
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
CVSS Score
6.7
EPSS Score
0.003
Published
2026-08-11
CVE-2026-68820
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Known exploited
CVSS Score
7.0
EPSS Score
0.062
Published
2026-08-11
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