Borncity Microsoft Office 0-day Vulnerability CVE-2026-21509 Exploited; Emergency Fix Released
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Microsoft Office 2016 to 2024 and Office 365 apps are affected by a zero-day vulnerability (CVE-2026-21509) that is currently being exploited in attacks. Microsoft has released emergency security updates to address this issue.
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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…