CVE-2026-45456
Microsoft Outlook and Word Remote Code Execution Vulnerability
Published: Jun 9, 2026Updated: Jun 11, 2026 Sources: CVE List NVD
8.4CVSS
HIGHAccess of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
EPSS Score
0.1%
Top 64.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 13 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
Timeline
Published
Jun 9, 2026
Last Updated
Jun 11, 2026
News mentions
5- Microsoft Patch Tuesday for June 2026 — Snort rules and prominent vulnerabilitiesen·Cisco Talos·
- Rapid7en·Rapid7 Blog·
- Microsoft and Adobe Patch Tuesday, June 2026 Security Update Reviewen-us·Qualys Security Blog·
- Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flawsen-us·BleepingComputer· Summary only·
- Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flawsen-us·BleepingComputer· Summary only·
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