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Latest cybersecurity reporting from selected sources.

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The Hacker News 1 month, 3 weeks ago

Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions

Microsoft has rolled out updates to fix a remote code execution vulnerability impacting SharePoint that could be exploited by bad actors in attacks without requiring any specialized conditions to be met

More from The Hacker News 26 May 2026, 11:49 p.m. Incident · 2 stories Actively exploited CVE-2026-45659 CVE Flaw Microsoft Microsoft Office Patch Remote Code Execution Vulnerability

Bleeping Computer 5 months, 2 weeks ago

Russian hackers exploit recently patched Microsoft Office bug in attacks

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office. [...]

More from Bleeping Computer 3 Feb 2026, 10:00 a.m. Actively exploited CVE-2026-21509 CVE Exploit Microsoft Microsoft Office Patch Russia Ukraine Vulnerability

The Hacker News 5 months, 3 weeks ago

Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation

Microsoft on Monday issued out-of-band security patches for a high-severity Microsoft Office zero-day vulnerability exploited in attacks

More from The Hacker News 27 Jan 2026, 8:19 p.m. Actively exploited CVE-2026-21509 0-Day Bypass CVE Microsoft Microsoft Office Patch Vulnerability

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Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions

Russian hackers exploit recently patched Microsoft Office bug in attacks

Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation