Xcitium Client Security (XCS) vulnerabilities

1 known vulnerability in Xcitium Client Security (XCS) from Xcitium. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  Comodo Internet Security: Integer Underflow (Wrap or Wraparound)

  CVE-2026-49494Jun 7, 2026Xcitium (formerly Comodo Security Solutions)

  Xcitium Client Security (XCS) before 13.8.2.10019 and Comodo Internet Security (CIS) through 12.3.4.8162 (fix expected by 2026 Q3) contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to cra