CVE-2026-0227A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall.
Updated under an hour ago ()
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It affects paloaltonetworks pan-os and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-754
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
paloaltonetworks pan-os paloaltonetworks:pan-os | from 10.1.0 before 10.1.14; from 10.2.0 before 10.2.7; from 10.2.8 before 10.2.10; from 10.2.11 before 10.2.13; from 10.2.14 before 10.2.16; from 11.1.0 before 11.1.4; from 11.1.5 before 11.1.6; from 11.1.7 before 11.1.10; and 110 more ranges | NVD |
paloaltonetworks prisma_access paloaltonetworks:prisma_access | all versions | NVD |
References
- https://security.paloaltonetworks.com/CVE-2026-0227vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.