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CVE-2026-45595

Windows Mark of the Web Security Feature Bypass Vulnerability

Published: Jun 9, 2026Updated: Jun 11, 2026 Sources: CVE List NVD
5.4CVSS
MEDIUM

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

EPSS Score
0.1%
Top 74.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

Affected Products

Windows 10 Version 1607
Microsoft
Operating Systems / windows
Windows 10 Version 1809
Microsoft
Operating Systems / windows
Windows 10 Version 21H2
Microsoft
Operating Systems / windows
Windows 10 Version 22H2
Microsoft
Operating Systems / windows
Windows 11 version 23H2
Microsoft
Operating Systems / windows
and 26 more affected products View all →

Exploitability

Official Patch Available

References

Timeline

Published
Jun 9, 2026
Last Updated
Jun 11, 2026
3

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