Patchday: Angreifer attackieren Edge und Microsoft SharePoint Server

Aufgrund von laufenden Attacken auf Edge und SharePoint Server sollten Admins sicherstellen, dass die aktuellen Microsoft-Sicherheitsupdates installiert sind.

heise online

What's New in Office 365, Friday, April 17, 2026
30 new posts across 16 Microsoft websites since Tuesday, April 14, 2026

#Microsoft365 #Office365 #MicrosoftTeams #Microsoft365Copilot #MicrosoftAzure #SharePoint #azurevirtualdesktop

• SharePoint Blog (1)
• Microsoft Security Blog (3)
• Intune Customer Success (1)

..and more: https://o365.cannell.org/2026/04/17/whats-new-in-O365.html

What’s New in Office 365 - Friday, April 17, 2026

30 new posts across 16 Microsoft websites since Tuesday, April 14, 2026<ul><li>Copilot for Microsoft 365 (2)</li><li>Microsoft 365 Blog (1)</li><li>Microsoft 365 Blog - Tech Community (3)</li><li>Exchange Team Blog (2)</li><li>SharePoint Blog (1)</li><li>Microsoft 365 Insider Blog (3)</li><li>Microsoft Azure Blog (2)</li><li>ITOps Talk Blog (1)</li><li>Azure Virtual Desktop Blog (1)</li><li>Intune Customer Success (1)</li><li>Microsoft Security Blog (3)</li><li>Microsoft Power Platform Blog (1)</li><li>Education Blog (1)</li><li>Microsoft Viva Blog (1)</li><li>Skype for Business Blog (2)</li><li>Azure AI Foundry Blog (5)</li></ul>

What’s New in Office 365
U.S. CISA adds Microsoft SharePoint Server, and Microsoft Office Excel flaws to its Known Exploited Vulnerabilities catalog

U.S. CISA adds Microsoft SharePoint Server, and Microsoft Office Excel flaws to its Known Exploited Vulnerabilities catalog.

Security Affairs

Microsoft Patch Tuesday Disrupts 169 Vulnerabilities, Including Exploited SharePoint Flaw

Microsoft's latest Patch Tuesday update is a doozy, addressing a record 169 security flaws across its product lineup - including a critical SharePoint zero-day that's already being exploited in the wild. With nearly 9 out of 10 fixes rated as Important or Critical, organizations are under pressure to patch quickly…

https://osintsights.com/microsoft-patch-tuesday-disrupts-169-vulnerabilities-including-exploited-sharepo?utm_source=mastodon&utm_medium=social

#PatchTuesday #Microsoft #ZeroDay #Sharepoint #EmergingThreats

Microsoft Patch Tuesday Disrupts 169 Vulnerabilities, Including Exploited SharePoint Flaw

Microsoft patches 169 vulnerabilities, including an exploited SharePoint flaw; learn how to secure your systems now and stay protected from cyber threats effectively today.

OSINTSights

Warning of attacks on 17-year-old Excel vulnerability

The US cybersecurity agency warns of observed attacks on an ancient Excel vulnerability. SharePoint is also being attacked.

https://www.heise.de/en/news/Warning-of-attacks-on-17-year-old-Excel-vulnerability-11257894.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon

#Cyberangriff #MicrosoftExcel #IT #Security #SharePoint #Sicherheitslücken #Updates #news

Warning of attacks on 17-year-old Excel vulnerability

The US cybersecurity agency warns of observed attacks on an ancient Excel vulnerability. SharePoint is also being attacked.

heise online

Warnung vor Attacken auf 17 Jahre alte Excel-Lücke

Die US-Cybersicherheitsbehörde warnt vor beobachteten Angriffen auf eine uralte Excel-Lücke. Auch SharePoint wird angegriffen.

https://www.heise.de/news/Warnung-vor-Attacken-auf-17-Jahre-alte-Excel-Luecke-11257838.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon

#Cyberangriff #MicrosoftExcel #IT #Security #SharePoint #Sicherheitslücken #Updates #news

Warnung vor Attacken auf 17 Jahre alte Excel-Lücke

Die US-Cybersicherheitsbehörde warnt vor beobachteten Angriffen auf eine uralte Excel-Lücke. Auch SharePoint wird angegriffen.

heise online

Microsoft Discloses Actively Exploited Zero-Day Flaw in SharePoint

Microsoft just revealed a critical vulnerability in SharePoint that's being actively exploited by attackers, allowing them to access and modify sensitive information. Patch now to protect your organization from potential breaches.

https://osintsights.com/microsoft-discloses-actively-exploited-zero-day-flaw-in-sharepoint?utm_source=mastodon&utm_medium=social

#ZeroDay #Microsoft #Sharepoint #EmergingThreats #VulnerabilityManagement

Microsoft Discloses Actively Exploited Zero-Day Flaw in SharePoint

Microsoft discloses actively exploited SharePoint zero-day flaw, urges immediate patching to prevent information theft and unauthorized changes. Learn how to protect your organization now.

OSINTSights

Microsoft Patch Tuesday Addresses 165 Vulnerabilities, Including Exploited SharePoint Flaw

Microsoft's April Patch Tuesday update is a doozy, addressing a whopping 165 vulnerabilities, including a SharePoint Server spoofing flaw that's already been exploited in the wild. This mega update also fixes a bug that was publicly disclosed by a frustrated researcher.

https://osintsights.com/microsoft-patch-tuesday-addresses-165-vulnerabilities-including-exploited-sharep?utm_source=mastodon&utm_medium=social

#PatchTuesday #Microsoft #Sharepoint #ExploitedVulnerability #EmergingThreats

Microsoft Patch Tuesday Addresses 165 Vulnerabilities, Including Exploited SharePoint Flaw

Microsoft addresses 165 vulnerabilities in April Patch Tuesday, including an exploited SharePoint flaw, and issues fixes to protect users, learn more now.

OSINTSights

What's New in Office 365, Tuesday, April 14, 2026
9 new posts across 7 Microsoft websites since Friday, April 10, 2026

#Microsoft365 #Office365 #MicrosoftTeams #Microsoft365Copilot #SharePoint

• OneDrive Blog (1)
• Azure AI Foundry Blog (1)
• Microsoft Copilot Studio Blog (1)

..and more: https://o365.cannell.org/2026/04/14/whats-new-in-O365.html

What’s New in Office 365 - Tuesday, April 14, 2026

9 new posts across 7 Microsoft websites since Friday, April 10, 2026<ul><li>Microsoft Copilot Studio Blog (1)</li><li>Microsoft 365 Blog - Tech Community (3)</li><li>OneDrive Blog (1)</li><li>Microsoft 365 Insider Blog (1)</li><li>Microsoft Defender for Office 365 (1)</li><li>Public Sector Blog (1)</li><li>Azure AI Foundry Blog (1)</li></ul>

What’s New in Office 365

What's New in Office 365, Friday, April 10, 2026
24 new posts across 14 Microsoft websites since Tuesday, April 07, 2026

#Microsoft365 #Office365 #MicrosoftTeams #Microsoft365Copilot #SharePoint #MicrosoftAzure

• Microsoft 365 Defender Blog (1)
• Education Blog (1)
• Microsoft Power Platform Blog (3)

..and more: https://o365.cannell.org/2026/04/10/whats-new-in-O365.html

What’s New in Office 365 - Friday, April 10, 2026

24 new posts across 14 Microsoft websites since Tuesday, April 07, 2026<ul><li>Copilot for Microsoft 365 (2)</li><li>Microsoft 365 Blog - Tech Community (1)</li><li>OneDrive Blog (1)</li><li>Microsoft 365 Insider Blog (1)</li><li>Microsoft Azure Blog (3)</li><li>Microsoft 365 Developer Blog (1)</li><li>ITOps Talk Blog (1)</li><li>Microsoft Intune Blog (1)</li><li>Intune Customer Success (1)</li><li>Microsoft Security Blog (4)</li><li>Microsoft 365 Defender Blog (1)</li><li>Microsoft Power Platform Blog (3)</li><li>Education Blog (1)</li><li>Azure AI Foundry Blog (3)</li></ul>

What’s New in Office 365