CVE-2026-0287PAN-OS: Denial of Service Vulnerabilities in Network Traffic Processing

Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Panorama is not impacted by these vulnerabilities.

6.6 MEDIUMEPSS 0.62%Not in KEVNVD: Modified

Last updated: 2026-10-15 01:11 UTC

OverviewCVSS details

6.6MEDIUMCVSS 4.0

Score source: palo_alto (CNA)
NVD status: Modified
Published: Jul 9, 2026
Assigner: palo_alto

Affected

Cloud NGFW (Palo Alto Networks)

Versions: All

+2 more products →

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

0.62%chance of exploitation in 30 days

Higher than 50.02% of CVEs

CVSS 4.0 · palo_alto (CNA)

6.6Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:C/RE:M/U:Amber

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: None
User interaction: None
Confidentiality impact: None
Integrity impact: None
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 4.0 · palo_alto (CNA)

4.6Medium

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:C/RE:M/U:Amber

Attack vector: Adjacent
Attack complexity: Low
Attack requirements: None
Privileges required: Low
User interaction: None
Confidentiality impact: None
Integrity impact: None
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · NVD

7.5High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

NVD status: Modified

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
6.6	MEDIUM	4.0palo_alto (CNA)	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:C/RE:M/U:Amber
4.6	MEDIUM	4.0palo_alto (CNA)	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:C/RE:M/U:Amber
7.5	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CVE ID: CVE-2026-0287
Status: Modified
Assigner (CNA): palo_alto
Published: Jul 9, 2026
Last modified: 2026-10-15 01:11 UTC
Weaknesses: CWE-754 · Improper Check for Unusual or Exceptional Conditions

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 07:52 UTC.