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CVE-2026-45456

CVSS

8.4

Reports

2

First seen

Jun 9

Last seen

Jun 11

Affected product

Microsoft Outlook, Word, SharePoint

Recent reports

June Patch Tuesday: 209 Microsoft CVEs surpass 500-CVE monthly threshold

Sophos NewsJun 11 Critical

Microsoft Patch Tuesday June 2026 – 206 vulnerabilities including 32 critical RCE flaws

Cisco TalosJun 9

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