Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
Affected vendor/product: Palo Alto Networks PAN-OS
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Until the vendor releases an official fix, the following workaround should be implemented: – Restrict User-ID Authentication Portal access to only trusted zones. – Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.
CISA KEV date added: 2026-05-06
Due date: 2026-05-09
Known ransomware campaign use: Unknown