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CVE-2026-0318— PAN-OS: Denial of Service (DoS) on Panorama

Quick assessment

Affected
Palo Alto Networks Cloud NGFW
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Palo Alto Networks PAN-OS® 软件中 Panorama 的日志处理功能存在一个基于栈的缓冲区溢出漏洞，攻击者可利用该漏洞导致拒绝服务（DoS）。反复尝试触发此漏洞会导致 Panorama 进入维护模式。 Cloud NGFW、Prisma® Access 以及独立运行的 PAN-OS 防火墙不受此漏洞影响。

CVSS 4.6 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

VendorProduct Version RangeStatus
Palo Alto Networks Cloud NGFW All unaffected
Palo Alto Networks PAN-OS 12.2.0< 12.2.4 affected
12.1.0< 12.1.10-h2 affected
11.2.0< 11.2.16 affected
11.1.0< 11.1.16-h3 affected
Palo Alto Networks Prisma Access All< 12.1.7-h8 unaffected
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I. Basic Information for CVE-2026-0318

Vulnerability Information
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Vulnerability Title
PAN-OS: Denial of Service (DoS) on Panorama
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability in the log processing functionality of Palo Alto Networks PAN-OS® software on Panorama enables an attacker to cause a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the Panorama entering maintenance mode. Cloud NGFW, Prisma® Access, and standalone PAN-OS firewalls are not affected by this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Palo Alto Networks Cloud NGFW - -
Palo Alto Networks PAN-OS 12.2.0 ~ 12.2.4 cpe:2.3:o:palo_alto_networks:pan-os:12.2.3:*:*:*:*:*:Panorama:*
Palo Alto Networks Prisma Access - -

II. Public POCs for CVE-2026-0318

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III. Intelligence Information for CVE-2026-0318

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Vendor Advisories for CVE-2026-0318 (1)

Same Patch Batch · Palo Alto Networks · 2026-10-14 · 12 CVEs total

CVE-2026-0322 8.5 HIGH PAN-OS: Authenticated Remote Code Execution (RCE) in the Management Interface
CVE-2026-0321 6.6 MEDIUM PAN-OS: Denial of Service (DoS) Vulnerabilities in Network Services
CVE-2026-0313 6.1 MEDIUM Cortex XSOAR: OS Command Injection Vulnerability
CVE-2026-0315 5.9 MEDIUM GlobalProtect App: Local Privilege Escalation Vulnerability on macOS
CVE-2026-0320 5.7 MEDIUM PAN-OS: Authenticated Admin Command Injection Vulnerability
CVE-2026-0319 4.9 MEDIUM PAN-OS: Improper Input Handling Vulnerability
CVE-2026-0314 4.3 MEDIUM GlobalProtect App: Local Denial of Service (DoS) on Windows
CVE-2026-0312 4.3 MEDIUM Checkov by Prisma Cloud: Path Traversal Vulnerabilities
CVE-2026-0317 1.2 LOW PAN-OS: Denial of Service Vulnerability
CVE-2026-0311 1.1 LOW Checkov by Prisma Cloud: Server-Side Request Forgery Vulnerability
CVE-2026-0316 0.4 LOW PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability

IV. Related Vulnerabilities

Same product: Cloud NGFW
Same vendor: Palo Alto Networks
Same weakness: CWE-754

V. Comments for CVE-2026-0318

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