CVE-2026-45595

MediumCVSS 5.4/10Last modified Jul 23, 2026

Description

Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-693

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9234
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.8880
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7417
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7417
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7219
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7219
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.8655
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.8655
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.2269
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23228
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23228
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9234
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9234
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.8880
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.8880
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5256
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.32995
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.32995

References

Timeline

Published
Jun 9, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-455967.0Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.CVE-2026-455977.0Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allowsCVE-2026-455987.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSockCVE-2026-455998.1Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.CVE-2026-456007.8Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privilCVE-2026-456017.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSockCVE-2026-456029.1No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.CVE-2026-456037.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSockCVE-2026-456045.5Out-of-bounds read in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.CVE-2026-456057.8Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.CVE-2026-456065.5Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny service locally.CVE-2026-456077.8Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
CVE-2026-45595: Medium severity, CVSS 5.4 | Vulnix