CVE-2026-33793 – Juniper Networks Junos OS – Multiple High-Severity Vulnerabilities
“Multiple cracks in the network core can quickly turn into a full loss of control.”
This patch addresses several high-severity vulnerabilities in Juniper Networks Junos OS that could allow attackers to escalate privileges across affected network devices. These issues impact core routing and switching systems, increasing the risk of unauthorized access and potential disruption of critical network operations.
CVE-2026-33785 has a CVSS score of 8.8, which is High severity. CVE-2026-21916 has a CVSS score of 7.3, which is High severity. CVE-2026-33790 has a CVSS score of 7.5, which is High severity. CVE-2026-33793 has a CVSS score of 7.8, which is High severity. CVE-2026-33797 has a CVSS score of 7.4, which is High severity. Collectively, these vulnerabilities present a broad attack surface across Junos OS deployments, particularly in environments where network infrastructure is exposed or highly interconnected.
No verified exploitation or public proof-of-concept activity has been confirmed for these vulnerabilities.
Key Details
- Affected Product
- Juniper Junos
- Attack Vector
- Local
- Attack Complexity
- Low
- Privileges Required
- Low
- User Interaction
- None
- CWE Classification
- CWE-250