Phying News
P非影 中文
Curated security research, vulnerabilities, advisories and tools for practitioners.

What is CVE-2025-53770? A Critical Microsoft SharePoint Vulnerability and How to Respond

hackerone.com | vulnerability | Critical | Actively exploited | CVE-2025-53770 | #active-exploitation | #rce | #microsoft | #threat-hunting | #sharepoint | #patching | #cve-2025-53770

Summary

CVE-2025-53770 is a critical Microsoft SharePoint vulnerability now under active exploitation. Learn how to respond, assess exposure, and improve visibility with proactive security strategies.
CVSS
9.8
Published
Collected

original ↗

Related coverage

  1. SharePoint Vulnerabilities (CVE-2025-53770 & CVE-2025-53771): Everything You Need to Know (wiz.io)
  2. Phân tích lỗ hổng CVE-2022-22005 Microsoft Sharepoint RCE (blog.viettelcybersecurity.com)
  3. ToolShell - Chuỗi lỗ hổng SharePoint nghiêm trọng đang bị khai thác trong thực tế (blog.viettelcybersecurity.com)
  4. CVE-2026-55040: SharePoint Server Subscription Edition improper JWT validation lead to Arbitrary Account Login (blog.viettelcybersecurity.com)
  5. CVE-2026-33112: SharePoint XmlValidator Bypass Enables Low-Privilege RCE (blog.viettelcybersecurity.com)
  6. CVE-2026-20963 Analysis (blog.viettelcybersecurity.com)

back