Palo Alto PAN-OS ↗
Summary iPlain-English security verdict for Palo Alto PAN-OS, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Palo Alto PAN-OS currently scores 0/100 — critical, with active exploitation. 14 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2024-3400. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for Palo Alto PAN-OS each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
5 of its known vulnerabilities are linked to ransomware campaigns (CISA KEV).
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2024-3400 CRITICAL exploited ransomware Improper input validation EPSS 100% → see advisory CVE-2024-0012 CRITICAL exploited ransomware Missing authentication EPSS 100% → see advisory CVE-2017-15944 CRITICAL exploited Improper input validation EPSS 98% → fixed in 8.0.6 CVE-2025-0108 CRITICAL exploited Missing authentication EPSS 98% → fixed in 11.2.4 CVE-2024-9474 HIGH exploited ransomware OS command injection EPSS 95% → fixed in 11.2.4 CVE-2016-5195 HIGH exploited CWE-362 EPSS 84% → fixed in 7.1.8 CVE-2019-1579 HIGH exploited ransomware CWE-134 EPSS 39% → fixed in 8.1.3 CVE-2026-0300 CRITICAL exploited Out-of-bounds write EPSS 32% → see advisory CVE-2024-3393 HIGH exploited CWE-754 EPSS 27% → fixed in 11.2.3 CVE-2026-0257 CRITICAL exploited CWE-565 EPSS 19% → fixed in 10.2.7 CVE-2018-14634 HIGH exploited Integer overflow EPSS 15% → fixed in 8.1.7 CVE-2020-2021 CRITICAL exploited ransomware CWE-347 EPSS 4% → fixed in 9.1.3See all 212 known Palo Alto PAN-OS CVEs & security history →
How to patch Palo Alto PAN-OS — step-by-step to the latest secure version →
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Frequently asked
Is Palo Alto PAN-OS safe and patched?
Palo Alto PAN-OS currently scores 0/100 — critical, with active exploitation. 14 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2024-3400. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about Palo Alto PAN-OS now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Palo Alto Networks's official advisory. Some issues are under active exploitation, so treat this as urgent.
lifecycle unknown — needs latest supported version
Latest security news for Palo Alto PAN-OS BETA
Attributed third-party reporting linked to Palo Alto PAN-OS — newest first. We surface and link the source; we don’t assert our own findings. About Emerging →
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Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Palo Alto Networks's official advisory before you patch or upgrade — Palo Alto PAN-OS official site ↗