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CVEs

CVE-2026-0300

exploited in the wild☆ pin
CVSS
10.0
Reports
11
First seen
May 6, 2026
Last seen
Sep 8, 2026
Affected product

Palo Alto Networks PAN-OS

Associated actors

ShinyHunters ×3knaithe ×2TeamPCP ×2GHOST STADIUM ×1KongTuke ×1MuddyWater ×1Operation GriefLure ×1Operation STANDOFF ×1RansomHouse ×1Shadow-Earth-053 ×1Silver Fox ×1Storm-2949 ×1Toy Ghouls ×1UAT-10147 ×1UAT-8302 ×1UAT-8616 ×1World Leaks ×1APT-C-60 ×1xplogs22 ×1Chinese-speaking actor (Hermes Agent/DeepSeek operator) ×1

Recent reports

High

August 2026 CVE Landscape: 73 High-Impact Vulnerabilities and AI-Assisted Exploitation Trends

Recorded Future InsiktHigh

ThreatsDay: AI-Powered Hacking, 370 Chrome Flaws, SonicWall Attacks, DNS Hijacking + 22 More Stories

The Hacker NewsHigh

Chinese-Speaking Threat Actor Deploys AI-Driven Autonomous Cyberattacks Using DeepSeek and Hermes Agent

Palo Alto Unit 42High

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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