Palo Alto Networks Prisma SD-WAN vulnerabilities

2 CVEs affecting Palo Alto Networks Prisma SD-WAN, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-0243, published 2026-05-13.

More from Palo Alto Networks.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-0244, published 2026-05-13. High severity, CVSS 8.1. EPSS: 0.2% chance of exploitation in the next 30 days. An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
• CVE-2026-0243, published 2026-05-13. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system…