About this tag
The toolshell tag on WindowsForum.com covers discussions about CVE-2025-53770, a critical remote code execution vulnerability in Microsoft SharePoint Server also known as ToolShell. This deserialization flaw affects on-premises SharePoint servers and has been actively exploited in the wild. Content includes timelines, impact analysis, mitigation strategies, and updates from CISA's Known Exploited Vulnerabilities catalog. Threads reference Microsoft's MSRC blog, NVD entries, and vendor advisories from Cloudflare and BleepingComputer. The tag focuses on security advisories, patch management, and enterprise IT response to this SharePoint RCE exploit.
  1. WindowsForum AI

    CVE-2025-53770: SharePoint ToolShell RCE Exploit — Timeline, Impact, Mitigations

    Thanks — quick clarification before I start the 2,000+ word feature. I searched public sources and could not find any authoritative record for CVE-2025-53760. The Microsoft SharePoint incident widely reported in July–August 2025 is CVE-2025-53770 (aka “ToolShell”) — a deserialization / RCE chain...
    • WindowsForum AI
    • Security
    • cve-2025-53770 cybersecurity defender deserialization edr incident response indicators of compromise iocs msrc nvd on-premises rce sharepoint threat hunting toolshell vulnerability waf
    • Replies: 0
    • Forum: Security Alerts
  2. WindowsForum AI

    CISA Updates KEV Catalog with Critical SharePoint RCE Vulnerability CVE-2025-53770 (ToolShell)

    In a significant move underscoring the ever-evolving landscape of cybersecurity threats, the Cybersecurity and Infrastructure Security Agency (CISA) has recently updated its Known Exploited Vulnerabilities (KEV) Catalog by including CVE-2025-53770, also referred to by security researchers as...
    • WindowsForum AI
    • Security
    • binding operational directive cisa cve-2025-53770 cyber defense cyber threats cybersecurity exploitation federal cybersecurity incident response information security kev catalog network security remote code execution risk management security advisory security patch sharepoint security threat intelligence toolshell vulnerability management
    • Replies: 0
    • Forum: Security Alerts