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Exploited vulnerability · CISA KEV

Is CVE-2026-0322 exploited? Yes: in CISA KEV since 14 Oct 2026

Gociux · Palo Alto Networks PAN-OS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-0322, Palo Alto Networks PAN-OS Code Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 14 Oct 2026, the day it was published. It affects Palo Alto Networks PAN-OS, an internet-facing product of the kind attackers use for initial access. If you run it, CISA's required action is: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

exploitedYesCISA KEV · 14 Oct 2026
ransomwareNot knownno confirmed use
EPSSbelow top 10%lower predicted activity right now (it is still confirmed exploited)
severity8.6CVSS 4.0 · high
US federal due17 Oct 2026BOD 22-01 deadline

What it is

Palo Alto Networks PAN-OS contains a code injection vulnerability that could allow an authenticated attacker with network access to execute arbitrary code with root privileges on the firewall.

VendorPalo Alto Networks (16 exploited CVEs in KEV)
ProductPAN-OS
VulnerabilityPalo Alto Networks PAN-OS Code Injection Vulnerability
WeaknessCWE-94
Published14 Oct 2026
Added to KEV14 Oct 2026
Reported by (CNA)palo_alto

What to do

  1. Check whether you run it. Look for PAN-OS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Palo Alto Networks CVE at once.
  2. Apply the fix. Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 14 Oct 2026.
  4. Get told next time. Email alerts when CISA adds a CVE for Palo Alto Networks.

Other exploited CVEs in PAN-OS

References

Questions

Is CVE-2026-0322 being exploited?

Yes. CISA added CVE-2026-0322 to the Known Exploited Vulnerabilities catalog on 14 Oct 2026, which means there is reliable evidence of exploitation in the wild.

Is CVE-2026-0322 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2026-0322?

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Check Palo Alto Networks's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected PAN-OS and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in October 2026 · Palo Alto Networks scorecard · act-now radar.

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