Source-backed Froggit

Recently Disclosed Zero-Day Vulnerabilities (as of October 26, 2026)

# Recently Disclosed Zero-Day Vulnerabilities (as of October 26, 2026) ## Citrix NetScaler — Multiple Zero-Days - Citrix disclosed two critical NetScaler zero-day vulnerabilities on **September 27, 2026**, after reports of exploitation had caused alarm among customers for several days; **CVE-2026-88771** is a remote code execution flaw. (https://www.darkreading.com/vulnerabilities-threats/netscaler-zero-days-chaos-citrix) - "Advanced and suspected state-sponsored threat actors" are likely behind the initial targeted intrusions that leveraged **CVE-2026-88772**, one of the two recently disclosed NetScaler flaws, with exploitation suspected since early September. (https://www.helpnetsecurity.com/2026/09/30/cve-2...

Source: https://www.bleepingcomputer.com/news/security/citrix-patches-netscaler-saml-zero-day-exploited-in-attacks/