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CVE-2026-45457

Microsoft Word Remote Code Execution Vulnerability

Published: Jun 9, 2026Updated: Jun 11, 2026 Sources: CVE List NVD
7.8CVSS
HIGH

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

EPSS Score
0.1%
Top 76.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

Microsoft 365 Apps for Enterprise
Microsoft
Operating Systems / windows
Microsoft Office 365 for Mac
Microsoft
Operating Systems / windows
Microsoft Office LTSC for Mac 2021
Microsoft
Operating Systems / windows
Microsoft Office LTSC for Mac 2024
Microsoft
Operating Systems / windows
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

Timeline

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

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