CVE-2026-0300Vulnerability
Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
Reported by 3 independent sources · first reported by Infosecurity Magazine · last reported
Last reported 27 days ago
Fix due 9 May 2026
Used by ransomware: not knownCISA KEV catalogue
higher than 98% of CVEsFIRST EPSS, as of 23 Oct 2026
What the reports say
3 reports, newest first · the exact sentence from each-
Cyber Brief 26-06 - May 2026“This vulnerability, tracked as CVE-2026-0300, allows an unauthenticated attacker to execute arbitrary code with root privileges.”
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August 2026 CVE Landscape“CVE-2026-0300”
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Chinese Hacker Uses DeepSeek AI to Orchestrate Vulnerability Exploits“CVE-2026-0300 (CVSS rating: 9.8): PAN-OS User-ID Authentication Portal vulnerability with manual non-functional research PoC cloned (not executed)”
Indicators reported together
named in the same reportsAlso named with it: CVE-2026-33824, CVE-2026-33017, CVE-2026-34486, CVE-2026-39987, CVE-2026-3055, CVE-2025-68613, CVE-2026-21858, CVE-2025-49113, CVE-2026-68820, CVE-2026-65400, CVE-2026-60004, CVE-2026-64849, CVE-2026-43284, CVE-2026-35616, CVE-2026-33825, CVE-2026-45585, CVE-2017-0199, CVE-2022-0847, CVE-2026-63030, CVE-2021-3156
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