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CVEs

CVE-2026-0300

exploited in the wild
CVSS
10.0
Reports
8
First seen
May 6
Last seen
Jun 2
Affected product

Palo Alto Networks PAN-OS (PA series and VM series firewalls)

Associated actors

TeamPCP ×2ShinyHunters ×2KongTuke ×1MuddyWater ×1Operation GriefLure ×1RansomHouse ×1Shadow-Earth-053 ×1Silver Fox ×1Storm-2949 ×1UAT-8302 ×1UAT-8616 ×1CL-STA-1132 ×1World Leaks ×1GHOST STADIUM ×1

Recent reports

High

CERT-EU Cyber Brief May 2026 – Espionage, Supply-Chain Attacks, and Ransomware Infrastructure Disruption

CERT-EU Threat IntelCritical

Siemens RUGGEDCOM APE1808 Buffer Overflow Vulnerability

CISA AdvisoriesHigh

ThreatsDay Bulletin: PAN-OS RCE, Mythos cURL Bug, AI Tokenizer Attacks, and 10+ Stories

The Hacker NewsCritical

Palo Alto Networks PAN-OS Buffer Overflow Vulnerability (CVE-2026-0300)

NICS Taiwanunrated

Check Point Research Threat Intelligence Report – 11 May

Check Point ResearchCritical

Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution

Palo Alto Unit 42Critical

Critical Vulnerability in PAN-OS User-ID Authentication Portal (CVE-2026-0300)

CERT-EU AdvisoriesCritical

High Threat Security Alert: Remote Code Execution Vulnerability in Palo Alto Networks PAN-OS (CVE-2026-0300)

GovCERT.HK

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