CISA Warns of Check Point 0-Day Vulnerability Exploited to Gain Root Access

CISA has warned that attackers are exploiting a Check Point security flaw that lets a local user gain root access on affected appliances. The agency added CVE-2026-123039 to its Known Exploited Vulnerabilities catalog on November 13, 2026, confirming that the vulnerability is being used in real attacks. Check Point said it observed exploitation against “a […]

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