Known vulnerabilities in Microsoft Windows 11 Version 23H2
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-42991 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push… | 7.8 High | Jun 9, 2026 |
| CVE-2026-42979 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push… | 7.8 High | Jun 9, 2026 |
| CVE-2026-42977 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push… | 7.8 High | Jun 9, 2026 |
| CVE-2026-42978 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push… | 7.8 High | Jun 9, 2026 |
| CVE-2026-42986 | Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-42981 | Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code… | 8.1 High | Jun 9, 2026 |
| CVE-2026-42974 | Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a… | 8.1 High | Jun 9, 2026 |
| CVE-2026-42984 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally | 7.0 High | Jun 9, 2026 |
| CVE-2026-42973 | Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42970 | Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42971 | Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker… | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42969 | Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information… | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42972 | Exposure of sensitive information to an unauthorized actor in Windows Hyper-V allows an authorized attacker to… | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42968 | Out-of-bounds read in Windows Telephony Service allows an authorized attacker to disclose information locally | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42914 | Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network | 5.3 Medium | Jun 9, 2026 |
| CVE-2026-42915 | Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally | 5.5 Medium | Jun 9, 2026 |
| CVE-2026-42912 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service… | 7.0 High | Jun 9, 2026 |
| CVE-2026-42913 | Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client… | 7.5 High | Jun 9, 2026 |
| CVE-2026-42911 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… | 7.0 High | Jun 9, 2026 |
| CVE-2026-42916 | Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally | 7.8 High | Jun 9, 2026 |
| CVE-2026-42909 | Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client… | 7.5 High | Jun 9, 2026 |
| CVE-2026-42980 | Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges… | 7.8 High | Jun 9, 2026 |
| CVE-2026-42908 | Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network | 7.5 High | Jun 9, 2026 |
| CVE-2026-42907 | Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose… | 6.5 Medium | Jun 9, 2026 |
| CVE-2026-42906 | Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose… | 5.5 Medium | Jun 9, 2026 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865