Tag: deserialization of untrusted data
3 articles
Hackers Exploit SharePoint Flaw to Steal Machine Keys
Hackers have already started exploiting a recently discovered SharePoint flaw, CVE-2026-50522, to steal machine keys, with live attempts captured by global honeypots just hours after proof-of-concept exploit code was released. This vulnerability allows remote attackers to execute code without authentication, making it a serious threat.
SharePoint Flaw CVE-2026-50522 Sees Active Exploitation After PoC Release
Attackers are actively exploiting a critical SharePoint vulnerability, CVE-2026-50522, using a single request to gain persistent access by pulling SharePoint machine keys. This flaw, patched by Microsoft in July, has a CVSS score of 9.8 and allows attackers to inject and execute code remotely on the SharePoint Server.
CISA Warns of Active SharePoint RCE Exploitation
CISA warns that a high-severity vulnerability in Microsoft SharePoint Server, known as CVE-2026-45659, is being actively exploited, allowing authorized attackers to execute code remotely. This critical flaw, patched by Microsoft in May, requires immediate attention to prevent network breaches.