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CVE-2026-45471

Microsoft Word Remote Code Execution Vulnerability

Published: Jun 9, 2026Updated: Jun 19, 2026 Sources: CVE List NVD BDUCWE-822
7.8HIGH
NVD MITRE
EPSS Score
0.5%
Top 63.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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

No summary for this CVE yet.

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
Open in CVSS calculator →

Weaknesses

CWE-822

Affected Products

Microsoft Corp
commercial·USaka Microsoft, microsoft corporation
Microsoft 365 Apps for EnterpriseDesktop App
Consumer Software / productivity
Microsoft Office LTSC 2021Desktop App
Consumer Software / productivity
Microsoft Office 365 for MacOn-premDesktop App
Consumer Software / productivity
Microsoft Office LTSC for Mac 2021On-premDesktop App
Consumer Software / productivity
Microsoft Office LTSC for Mac 2024On-premDesktop App
Consumer Software / productivity
Microsoft SharePoint Enterprise Server 2016On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft SharePoint Server 2019On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft SharePoint Server Subscription EditionOn-premWeb App
Enterprise Software / collaboration-groupware
and 19 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-45471?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45471
msrc.microsoft.com
News mentions
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