Blog.Malwarebytes Microsoft Copilot Data Theft via Reprompt Attack Exploit
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Researchers revealed a security exploit in Microsoft Copilot that allowed attackers to steal user data through a single malicious link. This 'Reprompt' attack bypassed data leak protections and enabled session exfiltration even after the Copilot chat was closed. A patch has been released to address this vulnerability.
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Critical Zero-Day Exploited in BeyondTrust Remote Support by China-linked Group A critical vulnerability in BeyondTrust Remote Support, tracked as CVE-2026-102764 with a CVSS score of 9.3, has been exploited by the China-linked espionage group Armory Castle since August 29, 2026. This flaw allows unauthenticated remote attackers to perform file operations, gaining root control and access to… 
CISA Warns of Exploited Vulnerabilities in ProFTPD, ONLYOFFICE, Strapi, and More The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added five vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including critical flaws in ProFTPD, ONLYOFFICE Docs, Strapi, Apache Struts, and ISC BIND. These vulnerabilities are being by Chinese actors for cyber espionage, targeting…