Tag: sharepoint

security

SharePoint RCE-Lücke funktioniert mit einfachem Benutzerkonto

CVE-2026-45659 erlaubt einem angemeldeten Nutzer mit einfachem Benutzerkonto die Remotecodeausführung auf SharePoint-Servern. Microsoft bewertet den Deserialisierungsfehler mit CVSS 8.8 und hat Updates für drei Versionen bereitgestellt. Der Eintrag fehlte zunächst im Sammelpaket des Mai-Patchday und wurde am 26.05.2026 nachgereicht.

Mehr lesen →
security

MAR-251132.c1.v1 Exploitation of SharePoint Vulnerabilities

Notification This report is provided „as is“ for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise. This document is marked TLP:CLEAR–Recipients may share this information […]

Mehr lesen →
security

SANS Stormcast Tuesday, July 29th, 2025:Parasitic Exploits; Cisco ISE Exploit; MyASUS Vuln

Parasitic SharePoint Exploits We are seeing attacks against SharePoint itself and attempts to exploit backdoors left behind by attackers. https://isc.sans.edu/diary/Parasitic%20Sharepoint%20Exploits/32148 Cisco ISE Vulnerability Exploited A recently patched vulnerability in Cisco ISE is now being exploited. The Zero Day Initiative has released a blog detailing the exploit chain to obtain code execution as an unauthenticated user. […]

Mehr lesen →
security

SANS Stormcast Monday July 21st, 2025: Sharepoint Exploited; Veeam Fake Voicemail Phish; Passkey Phishing Attack

SharePoint Servers Exploited via 0-day CVE-2025-53770 Late last week, CodeWhite found a new remote code execution exploit against SharePoint. This vulnerability is now actively exploited. https://isc.sans.edu/diary/Critical+Sharepoint+0Day+Vulnerablity+Exploited+CVE202553770+ToolShell/32122/ Veeam Voicemail Phishing Attackers appear to impersonate VEEAM in recent voicemail-themed phishing attempts. https://isc.sans.edu/diary/Veeam%20Phishing%20via%20Wav%20File/32120 Passkey Phishing Attack A currently active phishing attack takes advantage of the ability to use […]

Mehr lesen →