SharePoint
Attackers exploit critical SharePoint flaw after PoC goes public (CVE-2026-55040)
Threat actors have begun exploiting a critical Microsoft SharePoint flaw following the release of proof-of-concept (PoC) exploit code by Rapid7. About CVE-2026-55040 Tracked …
Microsoft patches 400+ vulnerabilities, one zero-day under attack (CVE-2026-68820)
Microsoft’s August 2026 Patch Tuesday delivered security fixes for 400+ vulnerabilities, including one that has been exploited in zero-day attacks (CVE-2026-68820) and …
200 accounts compromised in Swiss government’s Microsoft SharePoint breach
Hackers exploited vulnerabilities in Microsoft SharePoint servers belonging to Switzerland’s Federal Office of Information Technology, Systems and Telecommunication (BIT), …
August 2026 Patch Tuesday forecast: How do we deal with the patch apocalypse?
July 2026 Patch Tuesday was record-setting in so many ways. The sheer volume of security patches for almost every product in the Microsoft portfolio was the highest ever and, …
Another SharePoint RCE exploited: Patch, then rotate your machine keys (CVE-2026-50522)
Attackers are exploiting a critical SharePoint remote code execution (RCE) vulnerability (CVE-2026-50522) to extract the servers’ IIS machine keys. “WatchTowr is …
AI-driven bug hunting fuels record Microsoft Patch Tuesday
Microsoft has released patches for 570+ vulnerabilities on July 2026 Patch Tuesday, including two that are being leveraged by attackers (CVE-2026-56155 and CVE-2026-56164), …
High-severity SharePoint RCE bug patched by Microsoft (CVE-2026-45659)
Microsoft has released patches for a high-severity remote code execution vulnerability (CVE-2026-45659) in SharePoint that may be exploited in low-complexity attacks. It …
CISA warns of active exploitation of Microsoft SharePoint vulnerability (CVE-2026-20963)
CVE-2026-20963, a remote code execution (RCE) SharePoint vulnerability Microsoft fixed in January 2026, is being exploited by attackers. The confirmation comes from the US …
Energy sector orgs targeted with AiTM phishing campaign
Organizations in the energy sector are being targeted with phishing emails aimed at compromising enterprise accounts, Microsoft warns. The attack campaign The attacks started …
Croatian research institute confirms ransomware attack via ToolShell vulnerabilities
The Ruđer Bošković Institute (RBI), the largest Croatian science and technology research institute, has confirmed that it was the one of “at least 9,000 institutions …
Microsoft fixes “BadSuccessor” Kerberos vulnerability (CVE-2025-53779)
For August 2025 Patch Tuesday, Microsoft has released security updates resolving 100+ security vulnerabilities in its various solutions, including a relative path traversal …
August 2025 Patch Tuesday forecast: Try, try again
July turned into a surprisingly busy month. It started slowly with a fairly ‘calm’ Patch Tuesday as I forecasted in my last blog. Although there were 130 new CVEs addressed …
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