CVE-2026-45659 - Vulnerability Details

Related Threat Clusters

Active Exploitation of Microsoft SharePoint Flaw CVE-2026-45659 Confirmed
The US Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2026-45659, a remote code execution vulnerability in Microsoft SharePoint, to its Known Exploited Vulnerabilities catalog due to active…

2 articles · Updated July 4, 2026
Ransomware Exploits Critical SharePoint Vulnerability CVE-2026-45659
CISA has confirmed that ransomware groups are actively exploiting a critical vulnerability (CVE-2026-45659) in Microsoft SharePoint Server, which allows remote code execution. Over 200 unpatched SharePoint servers are…

2 articles · Updated August 11, 2026
Critical FatFs Vulnerabilities Enable Physical Access Attacks on Millions of Devices
Security firm runZero has identified seven unpatched vulnerabilities in the FatFs filesystem driver, affecting millions of embedded devices. These vulnerabilities can be exploited through malicious media or firmware…

11 articles · Updated July 3, 2026

Ransomware attacks unpatched SharePoint instances — Heise.De · August 11, 2026
CISA confirms SharePoint flaw is now fueling ransomware attacks — Feeds.4Sysops · August 11, 2026
Risky Bulletin: FatFs bugs enable physical access attacks on a load of devices — News.Risky.Biz · July 3, 2026
US cyber agency warns over forgotten SharePoint flaw — Computerweekly · July 2, 2026

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