PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing
Published May 13, 2026
7.2
HIGHCVSS 4.0
EPSS 0.37%
Description
A buffer overflow vulnerability in the IKEv2 processing of Palo Alto Networks PAN-OS® software allows an unauthenticated network-based attacker to execute arbitrary code with elevated privileges on the firewall, or cause a denial of service (DoS) condition.
Panorama, Cloud NGFW, and Prisma® Access are not impacted by these vulnerabilities.
Affected products
-
- Version 11.1.0StatusaffectedConstraints<11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33
- Version 11.2.0StatusaffectedConstraints<11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17
- Version 12.1.0StatusaffectedConstraints<12.1.7, 12.1.4-h5
- Version 10.2.0StatusunaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Palo Alto Networks | Pan-OS | unaffected |
|
Configuration 1
- ≥ 11.1.0 · < 11.1.4
- ≥ 11.1.5 · < 11.1.6
- ≥ 11.1.8 · < 11.1.10
- ≥ 11.1.11 · < 11.1.13
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.4
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.6
- 11.1.7
- 11.1.7
- 11.1.7
- 11.1.7
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.10
- 11.1.13
- 11.1.13
- 11.1.13
- 11.1.13
- 11.1.14
Configuration 2
- ≥ 11.2.0 · < 11.2.4
- ≥ 11.2.5 · < 11.2.7
- ≥ 11.2.8 · < 11.2.10
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.4
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.7
- 11.2.10
- 11.2.10
- 11.2.10
- 11.2.10
- 11.2.10
- 11.2.10
- 11.2.11
Configuration 3
- ≥ 12.1.0 · < 12.1.4
- ≥ 12.1.5 · < 12.1.7
- 12.1.4
- 12.1.4
- 12.1.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No action needed. PAN-OS 12.1 12.1.5 through 12.1.6 Upgrade to 12.1.7 or later. 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h5 or 12.1.7 or later. PAN-OS 11.2 11.2.11 or later Upgrade to 11.2.12 or later. 11.2.8 through 11.2.10-h* Upgrade to 11.2.10-h6 or 11.2.12 or later. 11.2.5 through 11.2.7-h* Upgrade to 11.2.7-h13 or 11.2.12 or later. 11.2.0 through 11.2.4-h* Upgrade to 11.2.4-h17 or 11.2.12 or later. PAN-OS 11.1 11.1.14 or later Upgrade to 11.1.15 or later. 11.1.11 through 11.1.13-h* Upgrade to 11.1.13-h5 or 11.1.15 or later. 11.1.8 through 11.1.10-h* Upgrade to 11.1.10-h25 or 11.1.15 or later. 11.1.7 through 11.1.7-h* Upgrade to 11.1.7-h6 or 11.1.15 or later. 11.1.5 through 11.1.6-h* Upgrade to 11.1.6-h32 or 11.1.15 or later. 11.1.0 through 11.1.4-h* Upgrade to 11.1.4-h33 or 11.1.15 or later. PAN-OS 10.2 No action needed. Prisma Access No action needed. All older unsupported PAN-OS versions Upgrade to a supported fixed version.
Metrics
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:Y/R:U/V:C/RE:H/U:Red
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:H/U:Red
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 13, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00373) | 28.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.31% (0.00310) | 22.41th | v5 (v2026.06.15) |
| May 14, 2026 | 0.06% (0.00059) | 18.58th | v4 (v2025.03.14) |
References (1)
- https://security.paloaltonetworks.com/CVE-2026-0263 vendor-advisoryVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0263 | vendor-advisoryVendor Advisory |
Change history (0)
No recorded changes yet.