Tag: cve 2026 55040
4 articles
Hackers Exploit Microsoft SharePoint Flaws in Ongoing RCE Attacks
Hackers are actively exploiting a pair of Microsoft SharePoint vulnerabilities, chaining them together in a potentially devastating attack that could give them remote control of your system. Threat intelligence firm Defused has detected live probes against its honeypots, sounding the alarm for businesses to take action now.
Attackers Exploit SharePoint Flaw After Public PoC Release
Microsoft warned that a critical SharePoint flaw, patched in July 2026, could allow attackers to bypass authentication and disclose files or modify data. This vulnerability, tracked as CVE-2026-55040, has now been exploited by attackers following the public release of a proof-of-concept exploit.
Hackers Exploit New Microsoft SharePoint Vulnerability in Attacks
Hackers are already exploiting a newly discovered critical flaw in Microsoft SharePoint, with over 8,500 servers exposed online and vulnerable to attacks. This authentication bypass vulnerability, known as CVE-2026-55040, allows hackers to disclose files, modify data, and wreak havoc on your system.
Researchers Expose AI-Assisted SharePoint Exploit Chain Enabling Unauthenticated RCE
In just 24 days, security researchers uncovered a shocking exploit chain that lets hackers impersonate any SharePoint user and run code on the server - no login required. This chain combines a clever JWT bypass with a second flaw, putting countless systems at risk.