The Rapid7 September 2025 Threat Report highlights active exploitation of a critical Microsoft SharePoint vulnerability, CVE-2025-53770. This zero-day is being used by threat actors to gain initial access to victim networks, with exploitation observed in government as well as multiple other industries.
SharePoint remains a widely deployed collaboration platform in federal, state, and local agencies, resulting in the need for urgent attention among public sector organizations. The combination of its ubiquity and sensitive data handling makes it a prime target. Recent reporting shows attackers are moving fast to take advantage of this flaw, and many agencies faced tight deadlines this summer to apply mitigations under federal directives. This isn’t the first time SharePoint has been targeted.
Read more…
Source: Rapid7
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Cisco Warns of Critical Vulnerability Revealed in ‘Vault 7’ Data Dump
March 20, 2017
Cisco Systems warned customers on Friday of a critical vulnerability that could allow an attacker to execute arbitrary code and obtain full control on more than 300 different models of its switches and routers. Cisco said it became aware of the vulnerability after WikiLeaks released its Vault 7 cache of documents that revealed the existence ...