7.5

CVE-2026-0227: palo alto networks pan-os

CVSS: 7.5v3.1HighAnalyzed
Published 15-01-2026Last modified 30-01-2026
Open JSON

Vulnerability summary

CVE-2026-0227 is a high (CVSS 7.5) vulnerability in palo alto networks pan-os. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.74%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-01-2026
    PublishedVulnerability first disclosed.
  2. 30-01-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

-0.01 pp

From 0.75% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks2 products
  • pan-os≥ 12.1.2, < 12.1.4, 12.1.3-h3 | ≥ 11.2.0, < 11.2.10-h2, 11.2.7-h8, 11.2.4-h15 | ≥ 11.1.0, < 11.1.13, 11.1.10-h9, 11.1.6-h23, 11.1.4-h27 | ≥ 10.2.0, < 10.2.18-h1, 10.2.16-h6, 10.2.13-h18, 10.2.10-h30, 10.2.7-h32 | ≥ 10.1.0, < 10.1.14-h20
  • prisma access≥ 11.2, < 11.2.7-h8 | ≥ 10.2, < 10.2.10-h29, 10.2.4-h43
Paloaltonetworks2 products
  • pan-osEOL≥ 10.1.0, < 10.1.14 | ≥ 10.2.0, < 10.2.7 | ≥ 10.2.8, < 10.2.10 | ≥ 10.2.11, < 10.2.13 | ≥ 10.2.14, < 10.2.16 | ≥ 11.1.0, < 11.1.4 | ≥ 11.1.5, < 11.1.6 | ≥ 11.1.7, < 11.1.10 | ≥ 11.1.11, < 11.1.13 | ≥ 11.2.0, < 11.2.4 | ≥ 11.2.5, < 11.2.7 | ≥ 11.2.8, < 11.2.10 | 10.1.14 | 10.1.14:h10 | 10.1.14:h11 | 10.1.14:h13 | 10.1.14:h14 | 10.1.14:h15 | 10.1.14:h16 | 10.1.14:h19 | 10.1.14:h2 | 10.1.14:h4 | 10.1.14:h6 | 10.1.14:h8 | 10.1.14:h9 | 10.2.7 | 10.2.7:h1 | 10.2.7:h12 | 10.2.7:h16 | 10.2.7:h18 | 10.2.7:h19 | 10.2.7:h21 | 10.2.7:h24 | 10.2.7:h3 | 10.2.7:h6 | 10.2.7:h8 | 10.2.10 | 10.2.10:h10 | 10.2.10:h12 | 10.2.10:h14 | 10.2.10:h17 | 10.2.10:h18 | 10.2.10:h2 | 10.2.10:h21 | 10.2.10:h27 | 10.2.10:h3 | 10.2.10:h4 | 10.2.10:h5 | 10.2.10:h7 | 10.2.10:h9 | 10.2.13 | 10.2.13:h1 | 10.2.13:h10 | 10.2.13:h16 | 10.2.13:h2 | 10.2.13:h3 | 10.2.13:h4 | 10.2.13:h5 | 10.2.13:h7 | 10.2.16 | 10.2.16:h1 | 10.2.16:h4 | 10.2.17 | 10.2.18 | 11.1.4 | 11.1.4:h1 | 11.1.4:h13 | 11.1.4:h15 | 11.1.4:h16 | 11.1.4:h17 | 11.1.4:h18 | 11.1.4:h25 | 11.1.4:h4 | 11.1.4:h7 | 11.1.4:h9 | 11.1.6 | 11.1.6:h1 | 11.1.6:h10 | 11.1.6:h14 | 11.1.6:h17 | 11.1.6:h19 | 11.1.6:h20 | 11.1.6:h21 | 11.1.6:h22 | 11.1.6:h3 | 11.1.6:h4 | 11.1.6:h5 | 11.1.6:h6 | 11.1.6:h7 | 11.1.10 | 11.1.10:h1 | 11.1.10:h4 | 11.1.10:h5 | 11.1.10:h7 | 11.2.4 | 11.2.4:h1 | 11.2.4:h10 | 11.2.4:h11 | 11.2.4:h12 | 11.2.4:h14 | 11.2.4:h2 | 11.2.4:h4 | 11.2.4:h5 | 11.2.4:h6 | 11.2.4:h7 | 11.2.4:h8 | 11.2.4:h9 | 11.2.7 | 11.2.7:h1 | 11.2.7:h2 | 11.2.7:h3 | 11.2.7:h4 | 11.2.7:h7 | 11.2.10 | 11.2.10:h1 | 12.1.2 | 12.1.3 | 12.1.3:h1
  • prisma_accessna

2 vendors · 4 products

References

1 links