CVE-2026-0300
🔥 Known Exploited (CISA KEV)HIGH
7.6
CVSS Severity Score
Vulnerability Description
Palo Alto Networks PAN-OS is vulnerable to Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability. 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.
Affected Platforms (CPE)
No CPE configurations currently published for this record.